Question

$2x ^{2} + 5x + 2$
con procedimiento por favor

Answer 1

2x²+5x+2
2x..........(+1) =>(+1x). +
x...........(+2)=>(+4x)
(+1x)+(+4x)=+5x
.
(2x+1)(x+2)=0
(2x+1)=0. (X+2)=0
x= -1/2............X=-2