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Mathematics

Answered

Add x2 + 4 x2y -7xy +3 and x2y + x y + 9

Answer :

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Answer:

x²+5x²y-6xy+12

Step-by-step explanation:

to understand this

you need to know about:

algebra
PEMDAS

given:

x²+4x²y-7xy+3+x²y+xy+9

let's solve:

rewrite:x²+4x²y+x²y-7xy+xy+9+3
combine like terms:x²+5x²y-6xy+12

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