Evaluate
\sqrt{21}\left(\sqrt{2}+10\right)\approx 52.306497648
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10\sqrt{21}+\sqrt{21}\sqrt{2}
Use the distributive property to multiply \sqrt{21} by 10+\sqrt{2}.
10\sqrt{21}+\sqrt{42}
To multiply \sqrt{21} and \sqrt{2}, multiply the numbers under the square root.
Examples
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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