Question

Which expressions are equivalent to 8(-10x+3.5y-7)? Select two options.

-80x+24.5y-56
-80x+28y+56
80x+28y+56
4(-20x+7y-14)
-4(-20x+7y-14

Answer 1

4(-20x+7y-14) .. only one option correct

Explanation:

8(-10x+3.5y-7) = -80x + 28y -56

4(-20x+7y-14) = -80x +28y -56