Question

Rexolvati in Rx(x+2)=8

Answer 1

x(x+2)=8

x^2+2x=8

x^2+2x-8=0

x^2-4x-2x-8=0

x^2-2x-8=0

x(x-4)-2(x-4)=0

(x-4)(x+2)=0

de aici x-4=0=>x=4

x+2=0=>x=-2

Deci si afli dupa ce mai trebuie .Baftă!