Question

Rozwiaz rownanie:

x^2(x-3)+2x(x-3)+x-3=0

z gory dzieki

Answer 1

x²(x-3)+2x(x-3)+1(x-3)=0

(x²+2x+1)(x-3)=0

(x+1)(x+1)(x-3)=0

 

x+1=0   lub   x-3=0

x=-1     lub    x=3