X^3+3x^2-18x=0 пжжжжж

Question

X^3+3x^2-18x=0 пжжжжж

Answer 1

X(x^2+3x-18)=0
x^2+3x-18=0 или x=0
Д=9+72=81
x1=(-3+9)/2=6/2=3
x2=(-3-9)/2=-12/2=-6