SOLUTION: I need help and this not from text book 3X^2 - 3X

SOLUTION: I need help and this not from text book 3X^2 - 3X - 60. I get 3x(3-20) Thank you

Question 125615: I need help and this not from text book 3X^2 - 3X - 60. I get 3x(3-20) Thank you
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
3X^2 - 3X - 60
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3(x^2-x-20)
= 3(x-5)(x+4)
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Cheers,
Stan H.