Question

Equação do 2° : (x-4)(x+3)+x=52

Answer 1

X^2+3x-4x-12+x=52
x^2-x-12+x=52
x^2-12=52
x^2-12-52=0
x^2-64=0
(x+8)(x-8)=0
Portanto, x=-8 x=8