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2009-11-05T20:25:52+01:00
W(x)= x3- 3x2-2x+6

x³-3x²-2x+6= x²(x-3)-2(x-3)= (x-3)(x²-2)

W(x)=(x-3)(x²-2)

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2009-11-05T20:27:14+01:00
W(x)= x³- 3x²-2x+6 = x(x²-2)-3(x²-2) = (x-3)(x²-2) = (x-3)(x-√2)(x+√2)
2009-11-05T20:27:25+01:00
W(x)= x3- 3x2-2x+6=x2(x-3)+2(x+3)=(x+3)(x2+2)