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Asked • 06/30/22

GED Math: Basic Algebra

What is the value of x³- x²+2x-8/x²-5x if X=4?

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Katrina P. answered • 06/30/22

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Original expression:

x³- x²+2x-8/x²-5x

Substitute X=4 in for all x-values:

(4)³- (4)²+2(4)-8/(4)²-5(4)

Simplify:

64-16+8-8/16-20

48/-4

Answer: -12

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Arelia H.

I am pretty sure this one is correct.

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11/08/22

Robert K. answered • 06/30/22

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Taking Katrina's solution as far as

64 - 16 + 8 - 8/16 - 20

Gives us 35 1/2

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