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12-04-2017
Mathematics

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Factor x^3-5x^2-3x+15

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12-04-2017

rearrange slightly like so...

x^3-3x-5x^2+15 now factor first and second pair of terms...

x(x^2-3)-5(x^2-3)

(x-5)(x^2-3)

(x-5)(x-√3)(x+√3)

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