Question 209557
factor: 2x^5 + x^4 - 8x^3 - 4x^2
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x^2(2x^3 + x^2 - 8x - 4)
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I graphed the cubic and found a zero at x = 2
Then using synthetic division I got:

2)....2.....1.....-8.....-4
.......2.....5......2....|..0

Quotient: 2x^2+5x+2 = (2x+1)(x+2)


= x^2(2x+1)(x-2)(x+2)
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Cheers,
Stan H.
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