Evaluate
3\sqrt{55}-4\approx 18.248595461
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3\left(\sqrt{55}-1\right)-1
Divide each term of 2\sqrt{55}-2 by 2 to get \sqrt{55}-1.
3\sqrt{55}-3-1
Use the distributive property to multiply 3 by \sqrt{55}-1.
3\sqrt{55}-4
Subtract 1 from -3 to get -4.
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