Evaluate
5-\sqrt{2}-2\sqrt{5}\approx -0.886349517
Quiz
Arithmetic
5 problems similar to:
5 - 2 \sqrt { 2 } - ( \sqrt { 5 } - \sqrt { 2 } ) - \sqrt { 5 } =
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5-2\sqrt{2}-\sqrt{5}-\left(-\sqrt{2}\right)-\sqrt{5}
To find the opposite of \sqrt{5}-\sqrt{2}, find the opposite of each term.
5-2\sqrt{2}-\sqrt{5}+\sqrt{2}-\sqrt{5}
The opposite of -\sqrt{2} is \sqrt{2}.
5-\sqrt{2}-\sqrt{5}-\sqrt{5}
Combine -2\sqrt{2} and \sqrt{2} to get -\sqrt{2}.
5-\sqrt{2}-2\sqrt{5}
Combine -\sqrt{5} and -\sqrt{5} to get -2\sqrt{5}.
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