Question 254665
x to the 3rd - 2x to the second -15x = 0 
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Factor:
x^3 - 2x^2 - 15x = 0
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x(x^2 -2x - 15) = 0
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x(x-5)(x+3) = 0
x = 0 or x = 5 or x = -3
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Cheers,
Stan H.