Question

x² + 13 x ???????????????? alguem sabe?/

Answer 1

x² + 13x = 0
x ( x + 13)= 0

x' = 0

x" = -13


raízes: { 0,-13}


att: Jhonny♥

Answer 2

Fator comum:

= x² + 13x

= x.(x + 13)

Raízes:

x² + 13x = 0
x.(x + 13) = 0
x = 0

x + 13 = 0
x = - 13