Question

Ajuda Matemática!!!!

(x+6)² - (x+6) x (x-6) = 0

Answer 1

(x+6)² - (x+6) * (x-6)=0
x²+12x+36- (x²-36)=0
x²+12x+36-x²+36=0
12x+72=0
12x=-72
x=-72/12
x=-6