Evaluate
-11
Real Part
-11
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-4-7+\left(8-8\right)i
Combine the real and imaginary parts.
-11
Do the additions.
Re(-4-7+\left(8-8\right)i)
Combine the real and imaginary parts in 8i+\left(-4-8i\right)-7.
Re(-11)
Do the additions in -4-7+\left(8-8\right)i.
-11
The real part of -11 is -11.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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 ) }
Integration
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Limits
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