Question

simplify.
$6i - 7i + 8i$
write your answer in the form $a + bi$.

Explanation:

Step1: Combine like terms

$(6 - 7 + 8)i$

Step2: Calculate the coefficient

$7i$

Step3: Rewrite in $a+bi$ form

$0 + 7i$

Answer:

$0 + 7i$