1. $\displaystyle x^4 + 6x^3 + 4x^2 - 15x + 6$ 2. $\displaystyle a^3 - 2b^3 + (a+b)^3$ Thank you.
Last edited by muks; Nov 4th 2008 at 04:09 AM. Reason: Spelling error
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Answers, 1. (x^3+3x-3)(x^2+3x-2) 2. 2a^3+3ab^2+3a^2b-b^3 = 2a^3+3ab(a+b)-b^3
Please explain in details.
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