Question

Descompuneti in produs de factori expresia
$x = {x}^{3} + 2 {x}^{2} - x - 2$
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Answer 1

Explicație pas cu pas:

E(x)=x³+2x²-x-2=>

E(x)=x²(x+2)-(x+2)=>

E(x)=(x+2)(x²-1)=>

E(x)=(x+2)(x+1)(x-1)

Answer 2

x³+2x²-x-2

x²(x+2) - (x+2)

(x+2)(x²-1)

(x+2)(x+1)(x-1)