Your idea matters-13

Algebra Level pending

x 4 + x 3 − 124 x 2 − 4 x + 3357 = − 3 x^4+x^3-124x^2-4x+3357=-3

Find the sum of all roots of the equation above.


The answer is -1.

Fahim Muhtamim by Fahim Muhtamim , 17, Bangladesh

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1 solution

Hi Bye
Oct 14, 2019

Simple Vieta's to get − 1 1 = − 1 . -\frac 11=\boxed{-1}.

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The equation has 4 solutions:7,8,-6,-10. So the sum is -1

Fahim Muhtamim - 1 year, 7 months ago

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