question\nsimplify the expression to a + bi form:\n(-2 + 2i) - (-7 + 7i)

question\nsimplify the expression to a + bi form:\n(-2 + 2i) - (-7 + 7i)

question\nsimplify the expression to a + bi form:\n(-2 + 2i) - (-7 + 7i)

Answer

Explanation:

Step1: Remove parentheses

[ \begin{align*} (-2 + 2i)-(-7 + 7i)&=-2 + 2i+7-7i \end{align*} ]

Step2: Combine like - terms

[ \begin{align*} -2 + 2i+7-7i&=(-2 + 7)+(2i-7i)\ &=5-5i \end{align*} ]

Answer:

$5 - 5i$