Example

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

Question

$$3^{2}-3+1$$

Answer

7

Solution


Simplify  \({3}^{2}\)  to  \(9\).
\[9-3+1\]
Simplify  \(9-3\)  to  \(6\).
\[6+1\]
Simplify.
\[7\]
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