Question

question
simplify the expression to a + bi form:
$(5 + 9i) - (9 + i)$

Explanation:

Step1: Distribute the negative sign

$(5 + 9i) - 9 - i$

Step2: Group real and imaginary terms

$(5 - 9) + (9i - i)$

Step3: Simplify each group

$(-4) + (8i)$

Answer:

$-4 + 8i$