SOLUTION: How do i factor -x^4+x^3+8x^2-12x
Algebra.Com
Question 388928: How do i factor -x^4+x^3+8x^2-12x
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Divide out x or -x.
12 is the last term, so sub ± 1, 2, 3 & 4 for x and see if the polynomial is zero.
If +1 makes it zero, then (x-1) is a factor, etc
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If you find a factor, divide by it, then you have a quadratic left.
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