1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Dovator [93]
3 years ago
7

Solve for x: (x^2+2x)+x+2=0

Mathematics
2 answers:
castortr0y [4]3 years ago
5 0

Answer:

x=-5

Step-by-step explanation:

(x^{2} +2x)+x+2=0\\(3x^{2} )+x+2=0\\3x^{2} +x=-2\\9x+x=-2\\10x=-2\\x=-5

Hope This Helps!!!!!

anyanavicka [17]3 years ago
3 0

Answer:

x=-1 or  x=-2

Step-by-step explanation:

Given Equation:

(x^2+2x)+x+2=0

Solving the like terms:

x^2+2x+x+2=0\\\\x^2+3x+2=0

Solving the quadratic equation using Factorization Method:

x^2+x+2x+2=0

Taking common from the equation to make the factors:

x(x+1)+2(x+1)=0\\\\(x+1)(x+2)=0\\\\x+1=0\\\\x=-1\\\\OR\\\\x+2=0\\\\x=-2

The solution of the equation is:

x=-1 or  x=-2

You might be interested in
Mary walks 4 miles north and then turns and walks 5 miles west. How far is she from her original starting point?
dusya [7]
Answer:  6.403 miles; or, write as:  6.403 mi.  .
__________________________________________________
Explanation:
_________________________________________________





                                5
--------------------------------------------
`                             right angle   |_ |
   `          (right triangle )                 |
         `                                               |    4 
             `                                           |
                      `    
       "c"                        `                  \        
 (hypotenuse)                          Starting point
                     
__________________________________________________
Since we have a "right triangle, we solve for "c"; using the 
"Pythagorean theorem" ; 
_______________________________________________________
→  a² + b² = c² ; Solve for "c" ; our answer (in "miles"; or, "mi.") ;
__________________________________________________
Given : a = 4; b = 5 ; 
____________________________
Plug these known values into our equation:
________________________________________
 → 4² + 5² = c² ; 
____________________________
 → 16 + 25 = c² ;  ↔  c² = 16 + 25 ;
______________________________
 → c² = 41 ; 
_______________________________
 → Take the positive square root of each side of the equation (since the side of a "triangle" cannot be "negative"; 
__________________________________
 → √(c²) = √(41) ; 
_____________________________
 → c =  √41 ; Use calculator;
________________________________
 → c =  6.40312423743 ; Round to:  

 → c = 6.403 miles; or, 6.403 mi. 
__________________________________________

 

5 0
3 years ago
Which is greater 6 hundred thousands,47 tens or 60 ten thousands, 4 hundreds
Valentin [98]

Which is greater? Try writing out your amounts numerically sothe first one would write numerically, 600,000, the next is 047, the next is 60,000 & the last is 400 so your answer would be the first answer of 600,000.

4 0
3 years ago
Rule:start at 3 1/8 subtract 3/4
SSSSS [86.1K]

Answer:

2 3/8

Step-by-step explanation:

If what you're saying it 3 1/8 - 3/4 then...

3 1/8 - 3/4

3 1/8 - 6/8

25/8 - 6/8

19/8

2 3/8

6 0
3 years ago
5!.4! is equivalent to:<br> O (5)(41)?<br> O (5)(41)?<br> O 20!
Xelga [282]
The answer would be a (5) (41) hope that helped
5 0
3 years ago
A total of 60 children signed up for hockey. There were 33 boys for every 11 girl who signed up. How many of the children who si
Ber [7]
Boys : Girls : Total
33 : 11 : 44

Find the simplest form:
3 : 1 : 4

Set the total to 60 ( so we multiply by 15)
3 x 15 : 1 x 15 : 4 x 15
45 : 15 : 60

Boys  = 45
Girls = 15
Total = 60

Ans: There are 15 girls that signed up
5 0
4 years ago
Other questions:
  • Question 3: Marla bought one necklace and two bracelets for $67.50. Use the following information to determine the amount she pa
    12·2 answers
  • 20 POINTS!!!! If eight is added to twice a number and the sum is multiplied by five result is the same as if the number is multi
    7·1 answer
  • BRAINLIEST and Points! :)
    14·2 answers
  • Probability of a standard six side dice landing on a four in the first three rolls?
    12·1 answer
  • Triangle Theorems Quiz
    15·1 answer
  • Please only answer this with actual answers and ill give the award
    5·1 answer
  • If John had 9 apples and doubles them 5000 times how many apples would he have
    10·1 answer
  • The amount of oil used in four different recipes is shown in the table. Recipe Oil Bread 2/8 cup Cookies 1/3 cup Cake 1/5 cup Pi
    14·2 answers
  • 5. Three sides of a triangle have sides of length 6 inches, 8 inches, and 10 inches. One
    5·2 answers
  • A medical center conducted a study to investigate cholesterol levels in people who have had heart
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!