x2+12x+36=25

Question

x²-12x+36=25

Answer 1

First, solve the equation for 0 by subtracting 25 from each side:

x² - 12x + 11 = 0

now factor:

(x - 11)(x - 1) = 0

Set each factor equal to zero and solve:

x - 11 = 0      x = 11
x - 1  = 0       x = 1