dessiiwessii19
dessiiwessii19
12-04-2017
Mathematics
contestada
Factor x^3-5x^2-3x+15
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irspow
irspow
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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