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

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Answer 1 · 2017-08-31T06:13:42

x= -4, -2

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

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