Question

resolva a equacao do 2 grau (x+1)^-x=7

Answer 1

Resposta:

Explicação passo-a-passo:

(x+1)^2-x=7

X^2+2x+1-x=7

X^2+x-6=0

Delta=1^2-4.1.(-6)

=1+25=25

X=-1+-raiz25/2.1

X=-1+-5/2

X1=-1+5/2=4/2=2

X2=-1-5/2=-6/2=-3