Evaluate
4+12i
Real Part
4
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6-2+\left(3+9\right)i
Combine the real and imaginary parts in numbers 6+3i and -2+9i.
4+12i
Add 6 to -2. Add 3 to 9.
Re(6-2+\left(3+9\right)i)
Combine the real and imaginary parts in numbers 6+3i and -2+9i.
Re(4+12i)
Add 6 to -2. Add 3 to 9.
4
The real part of 4+12i is 4.
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