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
2 answers:
Answer:

Step-by-step explanation:

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 ! :))
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