Math, asked by nidhikabra7179, 1 month ago

36( a+b)square - 81(a-b)square​

Answers

Answered by Anonymous
0

36(a+b)²-81(a-b)²

Step-by-step explanation:

=36a²+36b²+72ab -81a²-81b²+162ab

=-45a²-45a²+90ab

-45a²-45a²+90ab=0

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