Question

EQUAÇAO DO 2 GRAU x(x-3)-2(x-3)=6

Answer 1

x(x - 3 ) - 2(x - 3 ) = 6
x² - 3 x - 2 x + 6 = 6
x² - 5 x=6 - 6
x² - 5 x = 0
x(x - 5 ) = 0
x = 0
x - 5 = 0
x = 5
S = {0 ; 5 }