हल करना a ^ 2 - b ^ 2 - a ^ 2 + b ^ 2 | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$a^{2}-b^{2}-a^{2}+b^{2}$$