हल करना (79)^(2)-(9)^(2)/(89)^(2)-(9)^(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

$${ 79 }^{ 2 } - { 9 }^{ 2 } / { 89 }^{ 2 } - { 9 }^{ 2 }$$