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Find the constant coefficient when the polynomial 3(x - 4) + 2(x^2 - x + 7) - 5(x - 1) + 8(x^2 - x + 3) - 4(x - 5) is simplified.

 Jun 30, 2021
 #1
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$3(-4) + 2(7) - 5(-1) + 8(3) - 4(-5) = -12 + 14 + 5 + 24 + 20 = 51$

 

Verified with WolframAlpha: https://www.wolframalpha.com/input/?i=expand+3%28x+-+4%29+%2B+2%28x%5E2+-+x+%2B+7%29+-+5%28x+-+1%29+%2B+8%28x%5E2+-+x+%2B+3%29+-+4%28x+-+5%29+

 Jun 30, 2021

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