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August 2, 2015

Homework Help: algebra

Posted by babygirl on Saturday, September 3, 2011 at 11:32pm.

want to know if this right simplify and show all work
-3x^2+4xy+7y^2+2(-3x^2+5xy+11y^2)
-3x^2+4xy+7y^2-6y^2+10xy+22y^2
-3x^2+14xy+45y^2
and
-6a-4a-2(100^2+3a)
-6a-4a^2+200+3a
3a-4a^2+200

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