7xsqare+5ysqare
5xsqare–6ysqare
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Answer:
is it multiplication?
Step-by-step explanation:
well if it is... then...
(7x²+5y²)(5x²-6y²)
=35x⁴+25x²y²-42x²y²-30y⁴ (ans.)
please mark as brainliest.
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