Question

Which expression is equivalent to (3x2+3x−3)−(6x2−4x−2)?

A
−3x2+7x−1

B
−3x2−x−5

C
−3x2+7x−5

D
−3x2−x−1

Answer 1

A. -3x^2+7x-1

Explanation:

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

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

-3x^2+7x-1