Evaluate
-3-2i
Real Part
-3
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2-1-4+\left(-3+2-1\right)i
Combine the real and imaginary parts.
-3-2i
Do the additions.
Re(2-1-4+\left(-3+2-1\right)i)
Combine the real and imaginary parts in 2-3i-1+2i-4-i.
Re(-3-2i)
Do the additions in 2-1-4+\left(-3+2-1\right)i.
-3
The real part of -3-2i is -3.
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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