Evaluate
12-5i
Real Part
12
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7-8i+\left(5+3i\right)
The opposite of -5-3i is 5+3i.
7+5+\left(-8+3\right)i
Combine the real and imaginary parts in numbers 7-8i and 5+3i.
12-5i
Add 7 to 5. Add -8 to 3.
Re(7-8i+\left(5+3i\right))
The opposite of -5-3i is 5+3i.
Re(7+5+\left(-8+3\right)i)
Combine the real and imaginary parts in numbers 7-8i and 5+3i.
Re(12-5i)
Add 7 to 5. Add -8 to 3.
12
The real part of 12-5i is 12.
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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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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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