Resolver 9(a)^(2)-12ab+4(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

$$9 { a }^{ 2 } -12ab+4 { b }^{ 2 }$$