subtract 5x²-4y +6y-3 from 7x²+2 y + 3y
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Step-by-step explanation:
5x²-4y +6y-3 from 7x²+2 y + 3y
7x²+2 y + 3y-(5x²-4y +6y-3)
=7x²+5y-(5x²+2y-3)
=7x²+5y-5x²-2y+3
=2x²+3y+3
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