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
yulyashka [42]
3 years ago
14

What is the sum of the polynomials? (7x^3 – 4x^2) + (2x^3 – 4x^2) 5x^3 9x^3 5x^3 – 8x^2 9x^3 – 8x^2

Mathematics
2 answers:
Natalka [10]3 years ago
7 0

Answer:

\large\boxed{9x^3-8x^2}

Step-by-step explanation:

(7x^3-4x^2) + (2x^3-4x^2)\\\\=7x^3-4x^2+2x^3-4x^2\\\\\text{combine like terms}\\\\=(7x^3+2x^3)+(-4x^2-4x^2)\\\\=9x^3-8x^2

sveticcg [70]3 years ago
5 0

Answer:

9x^3 - 8x^2

Step-by-step explanation:

Let's simplify step-by-step.

7x^3−4x^2+2x^3−4x^2

=7x^3+−4x^2+2x^3+−4x^2

Combine Like Terms:

=7x^3+−4x^2+2x^3+−4x^2

=(7x^3+2x^3)+(−4x^2+−4x^2)

=9x^3+−8x^2

I hope this helps you ! :))

You might be interested in
Hall Construction Company signed a contract with a customer for the construction of a new $ 500,000 warehouse. At the signing, H
topjm [15]

Answer:

he gets alot of money and is very good at what he does

so his income per year is around

551,800$ a year your welcome

but if we are doing and average

i need to devide by 2

so his average a year might just be

275,900$ a year

vote brainliest hope this helps

Step-by-step explanation:

5 0
3 years ago
The temperature falls from 10°F to -15° F. What is the difference in these<br> temperatures?
nadya68 [22]

Answer:

the difference is 25

Step-by-step explanation:

to get from 10 to 0 is 10 units and from 0 to -15 is 15

10+15 = 25

8 0
3 years ago
Two questions please help
3241004551 [841]
Well just think 747 divided by 9
3 0
3 years ago
Please help! Thank you! Also, please explain thank you!
viva [34]

Answer:

2x=10*11

2x=110

so

x=55

5 0
3 years ago
Carla's Plumbing charges $25 for a service call and $28 per hour, h, for labor for any repair. The total cost, t, for a repair c
MA_775_DIABLO [31]

Answer:

Step-by-step explanation:

4 0
2 years ago
Other questions:
  • SOlve the system of equations using substitution<br><br><br> y=2x-10<br> y=4x-8
    13·1 answer
  • A translation is performed on the pre-image LMN. the coordinates of l are (-2,0)
    7·1 answer
  • (1 point) Suppose we want a 95% confidence interval for the average amount spent on books by freshmen in their first year at col
    9·1 answer
  • What fraction is between 2/3 and 1 1/3
    9·2 answers
  • A function, f(x)<br> 4x + 5, has a domain 0 &lt; x &lt; 50. What is its range?
    6·1 answer
  • Help asap need help for me
    15·1 answer
  • 12. Jason wants to walk the shortest distance to get
    5·2 answers
  • From her eye, which stands 1.69 meters above the ground, Penelope measures the angle of elevation to the top of a prominent skys
    7·1 answer
  • Solve for x. (16x + 23)°
    15·1 answer
  • The ratio of nuts to candies in a trail mix is 7:2.Which 2 combinations of candies and nuts could be in the trail mix? A.2 candi
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!