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
SSSSS [86.1K]
3 years ago
13

5x 2 +1=−13x−5 the two is an exponent for the 5x.

Mathematics
2 answers:
tester [92]3 years ago
3 0

Answer:

x = - 2, x = - \frac{3}{5}

Step-by-step explanation:

Given

5x² + 1 = - 13x - 5 ( add 13x - 5 to both sides )

5x² + 13x + 6 = 0

Consider the factors of the product of the x² term and the constant term which sum to give the coefficient of the x- term

product = 5 × 6 = 30 and sum = 13

The factors are 10 and 3

Use these factors to split the x- term

5x² + 10x + 3x + 6 = 0 ( factor the first/second and third/fourth terms )

5x(x + 2) + 3(x + 2) = 0 ← factor out (x + 2) from each term

(x + 2)(5x + 3) = 0

Equate each factor to zero and solve for x

x + 2 = 0 ⇒ x = - 2

5x + 3 = 0 ⇒ 5x = - 3 ⇒ x = - \frac{3}{5}

Viktor [21]3 years ago
3 0

Answer:

x=-6/23

Step-by-step explanation:

You might be interested in
Put the following equation of a line into slope-intercept form, simplifying all
Fudgin [204]
4y=5x+4
Divid by 4 to make slop intercept form
Y=5/4y +1
Slop =5/4
5 0
3 years ago
Read 2 more answers
Which of the following equations is equivalent to −6x+2y=24?
s344n2d4d5 [400]

Answer:

The choice three ;

y = 3x + 12

Step-by-step explanation:

- 6x + 2y = 24 \\ 2y = 24 + 6x \\ \\ y = \frac{24 + 6x}{2}   \\  \\ y =  \frac{24}{2}  +  \frac{6x}{2}  \\  \\ y = 12 + 3x

3 0
2 years ago
tania needs to buy at least 3 pounds of bananas. if she buys a bunch of bananas that weighs 42 ounces will she have enough? expl
Butoxors [25]

Answer:

I believe that you are asking if she buys a bunch of bananas that weigh 42 ounces, will she have enough (3 pounds).

We know that there are 16 ounces in a pound. So we multiply 3 x 16 to get 48. This means that we would need 48 ounces of bananas.

Tania only has 42 ounces, so she does not have enough bananas

4 0
3 years ago
Read 2 more answers
In how many ways can a teacher arrange 6 students in the front row of a classroom with a total of 20 students?
Luba_88 [7]
The concept of the question above is Permutation where in we are to arrange to arrange the 6 students from which there are 20 students. This is the "permutation of 20 taken 6" or 20P6. The numerical value of the permutation is equal to 27907200. 
5 0
3 years ago
Write the value of 50 times the sum of 64 and 36
Vinil7 [7]
E Value of the Expression a. 50 times the sum of 64 and 36. 50 x(64+36)
8 0
2 years ago
Read 2 more answers
Other questions:
  • If 50% of an item is 22.00 what is the original price ?
    12·2 answers
  • How do you decide whether a number is a solution of an inequality
    10·1 answer
  • What is the solution for the equation sinx=cosx?
    11·1 answer
  • The mean number of English courses taken in a two–year time period by male and female college students is believed to be about t
    10·1 answer
  • Three times a number increased by 8 is at most 40 more than the number. Find the greatest value of the number.
    11·1 answer
  • What’s the answer to this equation? 5-3(2a-6)=-6a+13
    6·1 answer
  • Use mental math to find which has a greater product 5×50or 5×500
    8·2 answers
  • Simplify the expression -4^2(3x - 7)
    10·1 answer
  • If Kamina can do a job in 43 hours and Simon and Kamina working together can do the same job in 15 hours, find how
    6·1 answer
  • Which of the following is the surface area of the right cylinder below?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!