QuestionAugust 25, 2025

Simplify the expression to a+bi form: (7+i)-(-9+i) Answer Attempt 1 out of 3 square

Simplify the expression to a+bi form: (7+i)-(-9+i) Answer Attempt 1 out of 3 square
Simplify the expression to a+bi form:
(7+i)-(-9+i)
Answer Attempt 1 out of 3
square

Solution
4.1(66 votes)

Answer

16 + 0i = 16 Explanation 1. Distribute the negative sign Apply the negative sign to -9+i: -( -9 + i) = 9 - i. 2. Combine like terms Add real parts and imaginary parts separately: (7 + i) + (9 - i) = (7 + 9) + (i - i).

Explanation

1. Distribute the negative sign<br /> Apply the negative sign to $-9+i$: $-( -9 + i) = 9 - i$.<br />2. Combine like terms<br /> Add real parts and imaginary parts separately: $(7 + i) + (9 - i) = (7 + 9) + (i - i)$.
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