Example

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

Question

$$7\sqrt{3^{2}+13x+2\sqrt{3}$$

Answer

21+13*x+2*sqrt(3)

Solution


Use this rule: \({\sqrt{x}}^{2}=x\).
\[7\times 3+13x+2\sqrt{3}\]
Simplify  \(7\times 3\)  to  \(21\).
\[21+13x+2\sqrt{3}\]
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