Question

Find the sum. Write your answer in standard form.
(7x +13) + (x3 + 4x2 – 8)

Answer 1

The answer is 4x^2+10x+5

Answer 2

. Simplify: (4x2 - 2x) - (-5x2 - 8x).

Solution:

(4x2 - 2x) - (-5x2 - 8x)

= 4x2 - 2x + 5x2 + 8x.

= 4x2 + 5x2 - 2x + 8x.

= 9x2 + 6x.

= 3x(3x + 2).

Answer: 3x(3x + 2) Explanation: