Resolver 7x2+5xy+3z+7x2+3z+5x2+2z= | 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

$$7x2+5xy+3z+7x2+3z+5x2+2z=$$