simplify 5x^2-6xy+2-2(3x^2+10xy-8)+2x^2+3xy+7
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Answer:
x²+17xy-7
Step-by-step explanation:
5x²-6xy+2-2(3x²+10xy-8)+2x²+3xy+7
= 5x²-6xy+2-6x²+20xy-16+2x²+3xy+7
= 5x²-6x²+2x²-6xy+20xy+3xy+2-16+7 (Like terms should be brought together)
= x²+17xy-7
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