Question

Simplify the expression 5x(-2x+4) - (-7)

Answer 1

−10x2+20x+7

Explanation:

Apply the distributive property.

5⋅−2x2+5x⋅4−(−7)

Multiply 44 by 55.

5⋅−2x2+20x−(−7)

Multiply 55 by −2-2.

−10x2+20x−(−7)

Multiply −1 by −7

−10x2+20x+7