SOLUTION: 3*x^3-5*x^2-48*x+80 factor completely and show work.

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Question 820403: 3*x^3-5*x^2-48*x+80 factor completely and show work.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
3*x^3-5*x^2-48*x+80 factor completely and show work.
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x = 4 is zero::
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4)....3....-5....-48....80
......3....7.....-20...|..0
Quotient: 3x^2 + 7x -20
Factors: (3x-5)(x+4)
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Final:: (x-4)(x+4)(3x-5)
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Cheers,
Stan H.
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