<PRE><B>Question 731898</B>
Factor by grouping. 
4a2 + 7ab - 2b2 
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4a^2 + 8ab-ab - 2b^2
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= 4a(a+2b)-b(a+2b)
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= (a+2b)(4a-b)
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Cheers,
Stan H.
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