Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$4 \times ( { 2 }^{ 2 } ) \times (-1)-9 \times (2) \times 0+14 \times { 0 }^{ 2 }$$

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