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Begginer Question: Replacing variables with number.
03-17-2017, 10:22 PM (This post was last modified: 03-17-2017 11:38 PM by Chris..)
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Begginer Question: Replacing variables with number.
If i enter Simplify((X^2-7x)(8-x^3))
Calculator returns "-x^5+7x^4+8x^2-56x"
How would I tel the calculator to replace all values of x with a number for example -1

I tried Solve(-x^5+7x^4+8x^2-56x,x=-1)
And it returned the wrong answer.
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Begginer Question: Replacing variables with number. - Chris. - 03-17-2017 10:22 PM



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