A = x² + xy-6, B = 6 xy-2x²+1 C=3x²+7-3xy find nd A-B-C
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2
Answer:
Step-by-step explanation:
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1
Answer:
-2xy-14 or 2(-xy-7)
Step-by-step explanation:
(x²+xy-6) - (6xy-2x²+1) - (3x²+7-3xy)
= x²+xy-6-6xy+2x²-1-3x²-7+3xy
= x²+2x²-3x²-7-6-1+3xy+xy-6xy
= -14-2xy
= -2xy-14 or 2(-xy-7)
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