हल करना 7x\times2x+7x\times7y-2y\times7y | 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

$$7x \times 2x+7x \times 7y-2y \times 7y$$