Question

Resolva
(X+1)(x-5)=-3

Answer 1

Multiplicando:

X^2 -5x + x - 5 = -3
X^2 - 4x - 2 = 0

Fazendo baskara:

-(-4) +/- raizqd( 4^2 - 4.1.(-2) ) /2

4 +/- raiz( 24) /2

Simplificando:
2 +/- raiz(6)

X’= 2 + raiz(6)
Ou
X”= 2 - raiz(6)