Example

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

Question

$${ x }^{ 2 } - { 2 }^{ 2 } =$$

Answer

$$x^2-4$$

Solution


Simplify  \({2}^{2}\)  to  \(4\).
\[{x}^{2}-4\]
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