(2x+1)(x-3)=9
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(2x+1)(x-3)=9(2x+1)(x-3)=9(2x+1)(x-3)=9(2x+1)(x-3)=92x^2-5x-3=92x^2-5x-12=0(2x+3)(x-4)=0x1=-3/2x2=4
(2x+1)(x-3)=9
(2x+1)(x-3)=9
(2x+1)(x-3)=9
(2x+1)(x-3)=9
2x^2-5x-3=9
2x^2-5x-12=0
(2x+3)(x-4)=0
x1=-3/2 x2=4