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

Evaluate (-20+ square root of -75)/40
Pull out imaginary unit .
Rewrite as .
Rewrite as .
Rewrite as .
Simplify the numerator.
Rewrite as .
Factor out of .
Rewrite as .
Pull terms out from under the radical.
Move to the left of .
Simplify terms.
Cancel the common factor of and .
Factor out of .
Factor out of .
Factor out of .
Cancel the common factors.
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 five hundred seventy-seven million sixty-nine thousand eight hundred eighty-seven

### Interesting facts

• 577069887 has 4 divisors, whose sum is 769426520
• The reverse of 577069887 is 788960775
• Previous prime number is 3

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 57
• Digital Root 3

### Name

Name one billion four hundred ten million two hundred sixty-seven thousand two hundred ninety-seven

### Interesting facts

• 1410267297 has 8 divisors, whose sum is 1880641600
• The reverse of 1410267297 is 7927620141
• Previous prime number is 7351

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 39
• Digital Root 3

### Name

Name three hundred fifty-four million six hundred seventy-seven thousand nine hundred sixty-seven

### Interesting facts

• 354677967 has 64 divisors, whose sum is 689452544
• The reverse of 354677967 is 769776453
• Previous prime number is 37

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 54
• Digital Root 9