Question 75707
I dont understand is how they got from 2(x+2)(x-1)(x-5) to 2(x^3 - 4x^2 - 7x + 10)
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2(x+2)(x-1)(x-5)
=2(x+2)(x^2-6x+5)
=2[x^3-6x^2+5x+2x^2-12x+10)
=2[x^3-4x^2-7x+10]
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Cheers,
Stan H.