write the cofficent of x2 in(2x-5)(2x2-3x+1)
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(2x-5)(2x^2-3x+1)
2x(2x^2-3x+1)-5(2x^2-3x+1)
4x^3-6x^2+2x-10x^2+15x-5
4x^3-6x^2-10x^2+2x+15x-5
4x^3-16x^2+17x-5
coefficient of x^2is -16.
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