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4a2+2ab+b2, 6b2-7ab-3a2,-5a+7b2
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3ab−2a2−2b2−(5a2−7ab+5b2)3ab−2a2−2b2−5a2+7ab−5b210ab−7a2 −7b2. Answer verified by Toppr. Upvote (61). Was this answer helpful? answr.
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