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When the expression 4(x^2-2x+2)-7(x^3-3x+1) is fully simplified, what is the sum of the squares of the coefficients of the terms?

 Jul 2, 2020
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When we simplify it, it equals 4x^2-8x+8+-7x^3+21x-7 
4^2=16
8^2=64
7^2=49

21^2=441

If we add them we get 570.

 Jul 2, 2020

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