Evaluate
2-12i
Real Part
2
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12-10+\left(-5-20\right)i+13i
Subtract 10+20i from 12-5i by subtracting corresponding real and imaginary parts.
2-25i+13i
Subtract 10 from 12. Subtract 20 from -5.
2+\left(-25+13\right)i
Combine the real and imaginary parts in numbers 2-25i and 13i.
2-12i
Add -25 to 13.
Re(12-10+\left(-5-20\right)i+13i)
Subtract 10+20i from 12-5i by subtracting corresponding real and imaginary parts.
Re(2-25i+13i)
Subtract 10 from 12. Subtract 20 from -5.
Re(2+\left(-25+13\right)i)
Combine the real and imaginary parts in numbers 2-25i and 13i.
Re(2-12i)
Add -25 to 13.
2
The real part of 2-12i is 2.
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Differentiation
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Integration
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Limits
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