Question

fatorar:
x³ + 3x² + 2x + 6 =

Answer 1

x³ + 3x² + 2x + 6 = 
x².( x + 3) + 2.(x +3) = 
(x² + 2) (x+3) 

Bons estudos 

Answer 2

x³ + 3x² + 2x + 6 

x³ + 3x² + 2x + 6 ==> x²(x + 3) + 2(x + 3) ==> (x² + 2)(x + 3)