Evaluate
10+45i
Real Part
10
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-18+24i+21i+28
Apply the distributive property by multiplying each term of 6i+7 by each term of 3i+4.
-18+28+\left(24+21\right)i
Combine the real and imaginary parts.
10+45i
Do the additions.
Re(-18+24i+21i+28)
Apply the distributive property by multiplying each term of 6i+7 by each term of 3i+4.
Re(-18+28+\left(24+21\right)i)
Combine the real and imaginary parts in -18+24i+21i+28.
Re(10+45i)
Do the additions in -18+28+\left(24+21\right)i.
10
The real part of 10+45i is 10.
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