what should be added to 5xsq - 9xy+ 2 y sq to obtain 3xsq+ 2 xy
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Step-by-step explanation:
3xsq + 2xy -( 5xsq - 9xy + 2ysq )
3xsq + 2xy- 5xsq + 9xy- 2ysq
3xsq- 5xsq + 2xy + 9xy- 2ysq
-2xsq + 11xy- 2ysq
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