3-(-9)+2
Multiply -1 by -9.
39+2
Rewrite 9 as 32.
332+2
Pull terms out from under the radical, assuming positive real numbers.
3⋅3+2
Multiply 3 by 3.
9+2
9+2
Add 9 and 2.
11
Simplify 3 square root of -(-9)+2
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