Example

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

Question

$$\sqrt{ ( { 2 }^{ 2 } )-(- { 3 }^{ 2 } )+(5,7) }$$

Answer

sqrt(13+(5,7))

Solution


Simplify  \({2}^{2}\)  to  \(4\).
\[\sqrt{4-(-{3}^{2})+(5,7)}\]
Simplify  \({3}^{2}\)  to  \(9\).
\[\sqrt{4-(-9)+(5,7)}\]
Remove parentheses.
\[\sqrt{4+9+(5,7)}\]
Simplify  \(4+9\)  to  \(13\).
\[\sqrt{13+(5,7)}\]
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