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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?

 Feb 16, 2021
 #1
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(-5x3 - 5x2 - 7x + 1)(-x2 + 6x + 1) 


To find the coefficient of x2, we can just multiply the terms that would have x2.

 

(-5x2)(1) + (-7x)(6x) + (1)(-x2

= -5x2 - 42x2 - x2

= -48x2

 

Which means your coefficient is -48, which is also your answer :)

 Feb 17, 2021

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