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(3-x)(2+3x)-(2-5x)(3+2x)
(3-x)(2+3x)-(2-5x)(3+2x) = 6-2x-9x-3x²-6-4x+15x+10x²= 7x²+18x
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(3-x)(2+3x)-(2-5x)(3+2x) = 6-2x-9x-3x²-6-4x+15x+10x²= 7x²+18x