# Simplify (a^2-100)/(3a)*(a^2)/(2a-20)

Simplify (a^2-100)/(3a)*(a^2)/(2a-20)
Simplify the numerator.
Rewrite as .
Since both terms are perfect squares, factor using the difference of squares formula, where and .
Simplify terms.
Factor out of .
Factor out of .
Factor out of .
Factor out of .
Cancel the common factor of .
Factor out of .
Factor out of .
Cancel the common factor.
Rewrite the expression.
Cancel the common factor of .
Factor out of .
Factor out of .
Cancel the common factor.
Rewrite the expression.
Multiply and .
Simplify the expression.
Multiply by .
Reorder factors in .
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### Name

Name one billion ninety-four million four hundred twenty-five thousand four hundred forty-nine

### Interesting facts

• 1094425449 has 16 divisors, whose sum is 1572076800
• The reverse of 1094425449 is 9445244901
• Previous prime number is 5569

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 42
• Digital Root 6

### Name

Name two billion thirty-five million twenty-nine thousand two hundred thirty-five

### Interesting facts

• 2035029235 has 16 divisors, whose sum is 2485956960
• The reverse of 2035029235 is 5329205302
• Previous prime number is 683

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 31
• Digital Root 4

### Name

Name one hundred seventeen million five hundred sixteen thousand nine hundred seventy-nine

### Interesting facts

• 117516979 has 4 divisors, whose sum is 120249976
• The reverse of 117516979 is 979615711
• Previous prime number is 43

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 46
• Digital Root 1