(4x+7)(3x-2)-2(x-5)^2=12x^2-8x+21x-14-2(x^2-10x+25)=12x^2+13x-14-2x^2+20x-50=10x^2+33x-64
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(4x+7)(3x-2)-2(x-5)^2=12x^2-8x+21x-14-2(x^2-10x+25)=12x^2+13x-14-2x^2+20x-50=10x^2+33x-64