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

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