please solve dear friend
in notebook
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Answer:
here's your ans
Step-by-step explanation:
mark me as a brainliest (only 1 left)
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Step-by-step explanation:
(x²+6xy+9y²)+(9x²+9xy+y²)
=x²+6xy+9y²+9x²+6xy+y²
=10x²+12xy+10y²
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