Question

question
simplify the expression to a + bi form:
$(2 - 9i) + (-10 + 8i)$

Explanation:

Step1: Group real and imaginary terms

$(2 + (-10)) + (-9i + 8i)$

Step2: Combine real parts

$2 - 10 = -8$

Step3: Combine imaginary parts

$-9i + 8i = -i$

Answer:

$-8 - i$