Question

Factorización
1.

2x² +12x+18=

2.

2x² ÷ 2

Answer 1

SIN IGUALAR A 0

2(x² +6x+9)

2x² ÷ 2 SE CANCELA EL 2

= x²

IGUALANDO A CERO

2x² +12x+18=0

2x² +12x+18=
0

2(x2+6x+9)=0

2(x2+6x+9)=0

(x+3)2=0

x+3=0

x=−3

2x² ÷ 2=0

2x²= -2

x²= -2 /2 = -1

X=±√−1