if A=4x²+y²–6xy B=3y²+12x²+8xy C=6x²+8y²+6xy then find 2A+B
Answers
Answered by
5
Answer:
20x²+5y²-4xy
Step-by-step explanation:
2A+B = 2(4x²+y²–6xy) + 3y²+12x²+8xy
= 8x²+2y²-12xy + 3y²+12x²+8xy
= 8x² +12x² +2y²+3y²-12xy+8xy
= 20x²+5y²-4xy
Answered by
2
Answer:
2A+B = 20x²+5y²-4xy
C is only for distraction
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