Question

Cuanto es (x²+4x)+ (-5x+x²)

Answer 1

(x²+4x) + (-5x+x²)
= x²+4x-5x+x²
= 2x² - x 

Answer 2

(x²+4x)+(-5x+x²)

[x (x+4)]+[-x (5-x)]

x (x+4)-x (5-x)

x [x+4-(5-x)]

x (x+4-5+x)

x (2x-1)

2x²-x ------->Respuesta

SALUDOS ESPERO QUE TE SIRVA :) ✌