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
Gekata [30.6K]
3 years ago
6

Subtract. (5x2−3x−2)−(−2x2−x+10) Express the answer in standard form. Enter your answer in the box.

Mathematics
2 answers:
Nimfa-mama [501]3 years ago
5 0

Answer:

7x^{2}-2x-12=0

Step-by-step explanation:

we know that

The standard form of the quadratic equation is equal to ax^{2} +bx+c=0

we have

(5x^{2}-3x-2)-(-2x^{2}-x+10)

eliminate the parenthesis

5x^{2}-3x-2+2x^{2}+x-10

group terms that contain the same variable

(5x^{2}+2x^{2})+(-3x+x)+(-2-10)

combine like terms

7x^{2}-2x-12=0

inna [77]3 years ago
4 0

Answer:

7x²-2x-12

Step-by-step explanation:

We have given an expression.

(5x²-3x-2)-(-2x²-x+10)

We have to subtract them.

ax²+bx+c is general form of an expression.

We have to transform above equation in general form of expression.

Open parentheses and distribute negative sign to second parentheses.

5x²-3x-2-(-2x²)-(-x)-(10)

5x²-3x-2+2x²+x-10

Collect the like terms

5x²+2x²-3x+x-2-10

Add like terms

7x²-2x-12 which is the answer.

You might be interested in
Explain why you should record a 1 in the Tens column when you regroup in an addition problem
Fed [463]
I would say that if the ones add up to 10 or more, they will regroup and put a 1 above the tens column to show the 10
4 0
3 years ago
1)a-19=3 2) y/7=10 3)5g=100 solve please
3241004551 [841]
Are these three different questions? if so:
1: add 19 to both sides to get a = 3 +19
answer: a = 22

2: multiply both sides by 7 to get y = 10 * 7
answer: y = 70

3: divide both sides by 5 to get g = 100/5
answer: g = 20

hope this helped! good luck :)
6 0
3 years ago
Help? Thanks also kinda easy
frosja888 [35]

Answer: 292

Step-by-step explanation:

5 0
3 years ago
Rob ate 3 cookies and drank 2 cups of milk. Barry ate 8 cookies and drank 1 cup of milk. Kevin ate 9 cookies and drank 4 cups of
harkovskaia [24]
<h3><u>Cookies</u></h3>

Rob: 3

Barry: 8

Kevin: 9

Let's add all of that up.

3 + 8 + 9

11 + 9

= 20 cookies total


<h3><u>Milk</u></h3>

Rob: 2

Barry: 1

Kevin: 4

Let's add this up.

2 + 1 + 4

3 + 4

= 7 cups of milk


They had 20 cookies and 7 cups of milk before they ate.

8 0
3 years ago
Read 2 more answers
ABCD is a parallelogram. Find the values of x and y. Solve for the value of z, if z=x−y.
slava [35]

Answer:

C

Step-by-step explanation:

Parallel and opposite sides of a parallelogram are equal. Hence, we can say:

x + 30 = 2x - 10

and

2y-10 = y +10

Solving first one, we get:

x + 30 = 2x - 10

30+10 = x

x = 40

Also

2y - 10 = y + 10

y = 10 + 10

y = 20

Now, z = x - y, so

z = 40 - 20 = 20

Answer C is right.

3 0
3 years ago
Other questions:
  • Solve 14ab²x³ over 2abx²
    11·2 answers
  • 7. Find the value of:<br> a) The number when 40% of the number is 10
    5·2 answers
  • Find the midpoint of the segment with the following endpoints.<br> (8, -3) and (2, -10)
    5·1 answer
  • Solve this inequality for x 81-1 1/5x &lt; 55
    11·1 answer
  • Four equals the difference of eight and a number and the result is divided by four
    15·1 answer
  • Please help me with this question thank you !!
    6·1 answer
  • hi i am scared of the dak and i am only 7 and i think moster in my closet he is etaing all of my fruit snaks please help me out
    15·1 answer
  • 2. You need to work a total of 44 hours per week at your two jobs. Your job as a store clerk pays
    7·1 answer
  • Use the graph to write a linear function that relates y to x .<br><br> y=____
    10·1 answer
  • Your teacher is giving you a test worth 100 points containing 40 questions. There are two-point questions (x) and four-point que
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!