Question

Subtract the Sum of a^2+b^2 and 2a^2 - 3b^2 from the sum of a^2 - b^2 and 3a^2 + b^2

Answer 1

sum= 3a^2 - 2b^2
sum2= 4a^2
answer= a^2+ 2b^2

Answer 2

I think i t is correct .