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(3a+5)squared+(a+2)(2a-5)

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Pixelchic | 21:13 Thu 10th Sep 2009 | Quizzes & Puzzles
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Any mathematicains out there?
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(3a+5)^2 = 9a^2 + 30a + 25

(a+2)(2a-5) = 2a^2 - a - 10

Sum = 11a^2 + 29a + 15
Question Author
if you say so??? it's a bit beyond me :)
If this is homework then you should find out why it's the answer.
wow its been years since ive done this!!

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