Evaluate
2\sqrt{2}-2\approx 0.828427125
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6\sqrt{2}-\sqrt{4}-4\sqrt{2}
Factor 72=6^{2}\times 2. Rewrite the square root of the product \sqrt{6^{2}\times 2} as the product of square roots \sqrt{6^{2}}\sqrt{2}. Take the square root of 6^{2}.
6\sqrt{2}-2-4\sqrt{2}
Calculate the square root of 4 and get 2.
2\sqrt{2}-2
Combine 6\sqrt{2} and -4\sqrt{2} to get 2\sqrt{2}.
Examples
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y = 3x + 4
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Limits
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