ADD:8x-5y+4xy and-4y-5xy-3x
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Answer:
5x-9y-xy
Step-by-step explanation:
like terms can be added or subtracted,
therefore,
8x-5y+4xy +(-4y-5xy-3x) = 8x-5y+4xy-4y-5xy-3x
=(8-3)x +(-5-4)y +(4-5)xy
= 5x -9y -xy
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