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posted by Sasha on Tuesday, October 30, 2012 at 8:33pm.

[2a + 3b] [2a - 3b. May you please explain the steps if you can.

multiply everything out, then add like terms (2a+3b)(2a-3b) = 2a^2 +6ba -6ab - 9b^2 = 2a^2 - 9b^2

Thanks Jennifer!!!!!

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