Question

Find the sum of
2x^2- 8x– 6 and 9x^2-8

Answer 1

11x^2-8x-14

Explanation:

2x^2- 8x– 6 and 9x^2-8

solution:

2x^2- 8x– 6 +(9x^2-8)

=2x^2-8x–6+9x^2-8

=2x^2+9x^2-8x-6-8

=11x^2-8x-14

Answer 2

11x^2-8x-14

Explanation:

(2x^2- 8x– 6)+(9x^2-8) = 11x^2-8x-14