4xy – 7x²y - 6xy + 2yz - 4y²z - 3yz?
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Answer:
-(2xy+7x²y+yz+4y²z)
Step-by-step explanation:
4xy-7x²y-6xy+2yz-4y²z-3yz
= -2xy-7x²y-yz-4y²z
= -(2xy+7x²y+yz+4y²z)
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