03-17-2017, 10:22 PM

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.

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.