Find the product of (2x+3y)(x-y-7x²)
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Answer:
12x²+3y²-xy+21x²y
Step-by-step explanation:
= 2x²-2xy-14x²+3xy-3y²-21x²y
= 2x²-14x²-3y²-2xy+3xy-21x²y
= -12x²-3y²+xy- 21x²y
= 12x²+3y2-xy+ 21x²y
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