Evaluate
\sqrt{11}\left(4-i\right)+\left(-4-16i\right)\approx 9.266499161-19.31662479i
Real Part
4 {(\sqrt{11} - 1)} = 9.266499161
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\left(4-i\right)\sqrt{11}+\left(-4-16i\right)
Use the distributive property to multiply \sqrt{11}-4i by 4-i.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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