हल करना Evaluate 3sqrt(7) * (- 7 - 2sqrt(7)) | 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

$$3 \sqrt { 7 } ( - 7 - 2 \sqrt { 7 } )$$