Question

Cautati solutii pentru ecuatiile:
(x+1)(x-2)(x+3)=0

Answer 1

(x+1)(x-2)(x+3) = 0 
=>   x+1 =0 => x = -1
x-2=0 => x=2
x+3=0=> x=-3
=>  x ∈ { -1, 3, -3 }

Answer 2

x=-1

(-1+1)(-1-2)(-1+3)=0*(-3)*2=0

x=2

(2+1)(2-2)(2+3)=3*0*5=0

x=-3

(-3+1)(-3-2)(-3+3)=(-2)*(-5)*0=0