solve 12=2x^2+2x by factoring

solve my equation by factoring
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12=2x^2+2x 2x^2+2x-12=0 2x^2+6x-4x-12=0 2x (x+3)-4 (x+3)=0 (2x-4)(x+3)=0 (2x-4)=0 or (x+3)=0 x=2 or x=-3
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