Question

Find the sum of (3x^7 - 4x^5 + 3) and (2x^6 - x^5-3).

Answer 1

3x^7+2x^6-5x^5

Explanation:

(3x^7-4x^5+3)+(2x^6-x^5-3)

3x^7-4x^5+3+2x^6-x^5-3

3x^7+2x^6-4x^5-x^5+3-3

3x^7+2x^6-5x^5