Evaluate
-4
Real Part
-4
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-7-2i+\left(3+2i\right)
The opposite of -3-2i is 3+2i.
-7+3+\left(-2+2\right)i
Combine the real and imaginary parts in numbers -7-2i and 3+2i.
-4
Add -7 to 3. Add -2 to 2.
Re(-7-2i+\left(3+2i\right))
The opposite of -3-2i is 3+2i.
Re(-7+3+\left(-2+2\right)i)
Combine the real and imaginary parts in numbers -7-2i and 3+2i.
Re(-4)
Add -7 to 3. Add -2 to 2.
-4
The real part of -4 is -4.
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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
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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