(x+1) (2x-3) - (x-1) (x+2) =x² +7
2x2-3x+2x-3-(x2+2x-x-2)= x² +7
2x2-3x+2x-3-x2-2x+x+2= x² +7
x²-2x-1= x² +7
-2x-1=7
-2x=8
X=-4
(x+1) (2x-3) - (x-1) (x+2) =x² +7
2x2-3x+2x-3-(x2+2x-x-2)= x² +7
2x2-3x+2x-3-x2-2x+x+2= x² +7
x²-2x-1= x² +7
-2x-1=7
-2x=8
X=-4