Question

Which expression is equivalent to the given expression? - 2 ⁢ x 2 + 8 ⁢ x − 9 + 4 ⁢ x + 7 ⁢ x 2 + 2 A. - 9 ⁢ x 2 − 12 ⁢ x + 11 B. - 5 ⁢ x 2 + 4 ⁢ x + 11 C. 5 ⁢ x 2 + 12 ⁢ x − 7 D. - 9 ⁢ x 2 + 4 ⁢ x − 7

Answer 1

ITS THE FIRST ONE

Explanation:

-2X2+8

HOPE THIS HELPS

Answer 2

Answer: Option C = 5x^2 + 12x - 7

Step-by-step explanation: First, we need to combine like terms.

-2x^2 + 8x - 9 + 4x + 7x^2 + 2 = (7x^2 - 2x^2) + (4x + 8x) + (-9 + 2) = 5x^2 + 12x - 7

So the expression is equivalent to option C, which is 5x^2 + 12x - 7.