Question

Solve.

−x^2 = 2x − 15

A) x = 3, x = 5
B) x = −3, x = 5
C) x = 3, x = −5
D) x = −3, x = −5

Answer 1

C) x = 3, x = -5

Explanation:

`-x^(2) =2x-15`

`-x^(2) + 2x =-15` = -x^2+2x

`x(-x+2)` = -15

Answer: x = 3, x = -5