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\left(2+1\right)^{2}=45
Multiply 2+1 and 2+1 to get \left(2+1\right)^{2}.
3^{2}=45
Add 2 and 1 to get 3.
9=45
Calculate 3 to the power of 2 and get 9.
\text{false}
Compare 9 and 45.
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