Evaluate
-35+56i
Real Part
-35
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7i\times 8+7\times 5i^{2}
Multiply 7i times 8+5i.
7i\times 8+7\times 5\left(-1\right)
By definition, i^{2} is -1.
-35+56i
Do the multiplications. Reorder the terms.
Re(7i\times 8+7\times 5i^{2})
Multiply 7i times 8+5i.
Re(7i\times 8+7\times 5\left(-1\right))
By definition, i^{2} is -1.
Re(-35+56i)
Do the multiplications in 7i\times 8+7\times 5\left(-1\right). Reorder the terms.
-35
The real part of -35+56i is -35.
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