Simplify (3-2i)(3+2i)

Simplify (3-2i)(3+2i)
Expand using the FOIL Method.
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Apply the distributive property.
Apply the distributive property.
Apply the distributive property.
Simplify and combine like terms.
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Simplify each term.
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Multiply by .
Multiply by .
Multiply by .
Multiply .
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Multiply by .
Raise to the power of .
Raise to the power of .
Use the power rule to combine exponents.
Add and .
Rewrite as .
Multiply by .
Add and .
Subtract from .
Add and .
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Name

Name four hundred nineteen million two hundred seventy-one thousand two hundred nine

Interesting facts

  • 419271209 has 16 divisors, whose sum is 502924032
  • The reverse of 419271209 is 902172914
  • Previous prime number is 15053

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 9
  • Sum of Digits 35
  • Digital Root 8

Name

Name one hundred seventy-eight million seven hundred twenty thousand nine hundred twenty-three

Interesting facts

  • 178720923 has 8 divisors, whose sum is 240522048
  • The reverse of 178720923 is 329027871
  • Previous prime number is 107

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 9
  • Sum of Digits 39
  • Digital Root 3

Name

Name one billion six hundred eighty-eight million six hundred ninety-three thousand thirteen

Interesting facts

  • 1688693013 has 16 divisors, whose sum is 1744742400
  • The reverse of 1688693013 is 3103968861
  • Previous prime number is 599

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 10
  • Sum of Digits 45
  • Digital Root 9