SOLUTION: Evaluate the expression (-4 - 3 i)+(8 - 7 i) and write the result in the form a+ b i.

SOLUTION: Evaluate the expression (-4 - 3 i)+(8 - 7 i) and write the result in the form a+ b i.

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Question 404676: Evaluate the expression (-4 - 3 i)+(8 - 7 i) and write the result in the form a+ b i.

Answer by rfadrogane(214) (Show Source): You can put this solution on YOUR website!
Evaluate the expression (-4 - 3 i)+(8 - 7 i) and write the result in the form a+ b i.
Sol'n:
(a1 + b1i)+ (a2 + b2i) = (a1+a2)+(b1+b2)i
thus,
=(-4+8)+(-3-7)i
=4-10i ----answer
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