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What is the coefficient of x^2 when -5x^3 - 5x^2 - 7x + 1 is multiplied by -x^2 - 6x + 1 and the like terms are combined?

 Jul 26, 2020
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-5x^3    + (-5x^2 -x^2) x (-7x-6x) + 1 + 1        complete the red part to find coefficient of x^2

 Jul 26, 2020

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