Evaluate
-31-35i
Real Part
-31
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-3-\left(7\times 4+7\times \left(5i\right)\right)
Multiply 7 times 4+5i.
-3-\left(28+35i\right)
Do the multiplications in 7\times 4+7\times \left(5i\right).
-3-28+35i
Subtract 28+35i from -3 by subtracting corresponding real and imaginary parts.
-31-35i
Subtract 28 from -3.
Re(-3-\left(7\times 4+7\times \left(5i\right)\right))
Multiply 7 times 4+5i.
Re(-3-\left(28+35i\right))
Do the multiplications in 7\times 4+7\times \left(5i\right).
Re(-3-28+35i)
Subtract 28+35i from -3 by subtracting corresponding real and imaginary parts.
Re(-31-35i)
Subtract 28 from -3.
-31
The real part of -31-35i is -31.
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