Question

Solve by completing the square and then use the square root method to solve. Write your answer in set brackets with no spaces, such as {-1,2}.

x2 - 4x - 32 = 0

Answer 1

x^2-4x+4=32+4
(x-2)(x-2)=36
(x-2)^2=36
x-2= +/- 6
x=8,-4
{-4,8}