gellyled
gellyled gellyled
  • 10-09-2021
  • Mathematics
contestada

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

Respuesta :

Tasyha
Tasyha Tasyha
  • 10-09-2021

Answer:

-13 - 5i

Step-by-step explanation:

[tex]( - 1 + 2i) - (12 + 7i) \\ - 1 + 2i - (12 + 7i) \\ - 1 + 2i - 12 - 7i \\ - 13 + 2i - 7i \\ = - 13 - 5i[/tex]

Answer Link
manissaha129
manissaha129 manissaha129
  • 10-09-2021

Answer:

[tex]→( - 1 + 2i) - (12 + 7i) \\ = - 1 + 2i - 12 - 7i \\=-1-12+2i-7i \\ = \boxed{ - 13 - 5i}✓[/tex]

  • - 13 - 5i is the right answer.
Answer Link

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