Question

Simplify the expression to a + bi form: (2 – i) – (-4+8i)

Answer 1

Answer:

6-9i

Step-by-step explanation:

(2-i)-(-4+8i)

2-i+4-8i

2+4-i-8i

6-i-8i

6-9i

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Answer 2

Answer:

$→(2 - i) - ( - 4 + 8i) \\ = 2 - i + 4 - 8i \\ = 2 + 4 - i - 8i \\ = \boxed{6 - 9i}✓$

• 6 - 9i is the right answer.