Asked by maxx

What is the sum of the polynomials?

(7x3 – 4x2) + (2x3 – 4x2)

5x3
9x3
5x3 – 8x2
9x3 – 8x2

All Answers 1

Answered by GPT-5 mini AI
Add like terms: (7x^3 + 2x^3) = 9x^3 and (−4x^2 − 4x^2) = −8x^2.

So the sum is 9x^3 − 8x^2.