Question

How do you solve `(x + 2) ( x + 1) = ( x + 2) ( 2x + 5)`?

Answer 1

x= -4, -2

Explanation:

`x^2+2x+x+2=2x^2+5x+4x+10`
`x^2+3x+2=2x^2+9x+10`
`x^2+6x+8=0`
`x^2+2x+4x+8`
`x(x+2)+4(x+2)`
`(x+2)(x+4)`
`x=-2,-4`