Question

subtract the sum of a square + b square and square minus 3 Square from the sum of a square minus b square and 3 a square + b square​

Answer 1

Answer:

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Answer 2

Given: sum of a square + b square and square minus 3 Square from the sum of a square minus b square and 3 a square + b square​

a²+b²-3²

a²-b²+3a²+b

subtraction:

(a²+b²-3²)-(a²-b²+3a²+b)=a²+b²-3²-a²+b²-3a²-b²

                                       =-3a²+b²-9