Question

question
simplify the expression to a + bi form:
(-7 - 4i) - (-2 - i)

Explanation:

Step1: Distribute the negative sign

$(-7 - 4i) + 2 + i$

Step2: Combine real parts

$-7 + 2 = -5$

Step3: Combine imaginary parts

$-4i + i = -3i$

Step4: Write in $a+bi$ form

$-5 + (-3i) = -5 - 3i$

Answer:

$-5 - 3i$