what is the cofficient of x in the polynomial 2-5x-7xsquare+3xcube?
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Step-by-step explanation:
=(5-2x)(7x+5-x^{4})
=35x+25x^{2}-5x^{4}-14x^{2}-10x^{3}+2x^{5}
=11x^2}+35x-5x^{4}-10x6{3}+2x^{5}
Therefore, coefficient of x^{2} is 11.
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