Question

Solve the following quadratic equation for all values of x

in simplest form.
(x+10)^2-8=8

Answer 1

roots are at -14 and -6

Explanation:

(x+10)² - 16 = 0

x² + 20x + 100 - 16 = 0

x² + 20x + 84 = 0

(x + 14)(x + 6) = 0

x = -14

x = -6