Example

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

Question

$$\frac{4m\sqrt{x^{2}-}4}{x\rightarrow2}$$

Answer

4*m*x-8*x

Solution


Use this rule: \({\sqrt{x}}^{2}=x\).
\[4mx-4x\times 2\]
Simplify  \(4x\times 2\)  to  \(8x\).
\[4mx-8x\]
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