Question

Solve the following quadratic equation for all values of x in simplest form.

4(x + 10)2 – 31 = -15

Answer 1

x= -8

Explanation:

4(x+10)*2-31= -15

8(x+10)-31= -15

8x+80 - 31 = -15

8x + 49 = -15

8x= -64

x= -8