Math, asked by atulkumarsingh840, 5 months ago

subject a^2-b^2 from the sum of a^2+3ab-2b^2 and-3ab+b^2

Answers

Answered by saniyaray630

1

Add

=(a²+3ab-2b²)+(-3ab+b²)

=a²-b²

Now, substract

=(a²-b²)-a²-b²

=-2b²

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