Question 450541
1. a+2b+acube+8bcube
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= (a+2b) + (a^3+(2b)^3)
= (a+2b) + (a+2b)(a^2-2ab+4b^2)
= (a+2b)[1+a^2-2ab+4b^2]
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2. xsquare-8/x
= (x^3-2^3)/x
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= [(x-2)(x^2+2x+4)]/x
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3. a-3b+acube-27bcube
= (a-3b) + (a^3-(3b)^3))
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= (a-3b) + (a-3b)(a^2+3ab+9b^2)
---
= (a-3b)[1+a^2+3ab+9b^2]
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etc/
Cheers,
Stan H.
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4. asquare+bc-ac-bsquare
5. 4asquare-4ab+bsquare-4xsquare.