paulrl2127 paulrl2127
  • 25-06-2020
  • Mathematics
contestada

Simplify the expression. (-3 + 6i)(-3 + 5i)

Respuesta :

snog
snog snog
  • 25-06-2020

Answer:

When we expand we get -9 - 33i + 30i². Since i² = -1 we can write this as -9 - 33i + 30 * (-1) = -9 - 33i - 30 = -33i - 39.

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surjithayer10 surjithayer10
  • 25-06-2020

Answer:

-21-33i

Step-by-step explanation:

(-3+6i)(-3+5i)=9-15i-18i+30i²=9-33i+30(-1)=-21-33i

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