Simplify the expression to a + bi form: (-1 + 2i)

asked Feb 22, 2022 1.7k views

5 votes

Simplify the expression to a + bi form:
(-1 + 2i) – (12 + 7i)

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7 votes

Answer:

$→( - 1 + 2i) - (12 + 7i) \\ = - 1 + 2i - 12 - 7i \\=-1-12+2i-7i \\ = \boxed{ - 13 - 5i}✓$

Torfi answered Feb 23, 2022

by Torfi

8.2k points

0 votes

Answer:

-13 - 5i

Explanation:

$( - 1 + 2i) - (12 + 7i) \\ - 1 + 2i - (12 + 7i) \\ - 1 + 2i - 12 - 7i \\ - 13 + 2i - 7i \\ = - 13 - 5i$

ShefHauwanga answered Feb 25, 2022

7.9k points

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