a=x²+xy-6
b=6xy-2x²+1
c=3x²+7-3xy
solve A-B+C
Answers
Answered by
5
Step-by-step explanation:
A-B+C
=x^2+xy-6-(6xy-2x^2+1)+3x^2+7-3xy
=x^2+xy-6-6xy+2x^2-1+3x^2+7-3xy
=6x^2-8xy+0
=6x^2-8xy
Answered by
2
Answer:
Step-by-step explanation:
A-B+C
=x^2+xy-6-(6xy-2x^2+1)+3x^2+7-3xy
=x^2+xy-6-6xy+2x^2-1+3x^2+7-3xy
=6x^2-8xy+0
=6x^2-8xy
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