PLS SEE THE ATTACHMENT AND HELP ME..
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Answer:
4xsq+10ysq+4xy-2
Step-by-step explanation:
(3xsq+9ysq+10+12xy) - (-x sq-y sq+12+8xy)
3xsq+9ysq+10+12xy+x sq+y sq-12-8xy
3xsq+x sq+9ysq+y sq+12xy-8xy+10-12
4xsq+10ysq+4xy-2
hope it helps
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