Question 1087286
I'm supposed to solve this by factoring but can't seem to. Any explanations would be appreciated.
x^3-5x^2+3x+9=0
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Try the factors of 9.
1 & 3.
Try Plus and Minus 1 & 3
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f(x) = x^3-5x^2+3x+9
Find f(1).
If it's zero, then x-1 is a factor.
etc