## Related questions with answers

Question

Perform the indicated addition or subtraction. (-8 + 4i) - (7 - i)

Solution

VerifiedStep 1

1 of 2To subtract the two complex numbers:

$(-8+{\color{#4257b2}4i})-(7-{\color{#4257b2}i})$

We subtract the real parts from each other and subtract the imaginary parts from each other

$=(-8-7)+({\color{#4257b2}4i+i})$

$=-15+{\color{#4257b2}5i}$

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