Evaluate (-20+ square root of -75)/40

Evaluate (-20+ square root of -75)/40
Pull out imaginary unit .
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Simplify the numerator.
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Factor out of .
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Pull terms out from under the radical.
Move to the left of .
Simplify terms.
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Cancel the common factor of and .
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Factor out of .
Factor out of .
Factor out of .
Cancel the common factors.
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Factor out of .
Cancel the common factor.
Rewrite the expression.
Rewrite as .
Factor out of .
Factor out of .
Move the negative in front of the fraction.
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Name

Name one billion eight hundred twenty-seven million three hundred fifty-two thousand five hundred fifty

Interesting facts

  • 1827352550 has 32 divisors, whose sum is 3386665728
  • The reverse of 1827352550 is 0552537281
  • Previous prime number is 53

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 10
  • Sum of Digits 38
  • Digital Root 2

Name

Name eight hundred fifty-three million nine hundred twenty-eight thousand one hundred eighty-seven

Interesting facts

  • 853928187 has 16 divisors, whose sum is 1302282240
  • The reverse of 853928187 is 781829358
  • Previous prime number is 1279

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 9
  • Sum of Digits 51
  • Digital Root 6

Name

Name two hundred seventy-four million eight hundred thirty-three thousand thirty-one

Interesting facts

  • 274833031 has 16 divisors, whose sum is 304197120
  • The reverse of 274833031 is 130338472
  • Previous prime number is 239

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 9
  • Sum of Digits 31
  • Digital Root 4