# 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 hundred thirty-seven million five hundred four thousand one hundred seven

### Interesting facts

• 137504107 has 4 divisors, whose sum is 148081360
• The reverse of 137504107 is 701405731
• Previous prime number is 13

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 28
• Digital Root 1

### Name

Name three hundred sixty-two million one hundred sixty-seven thousand eight hundred twenty-three

### Interesting facts

• 362167823 has 4 divisors, whose sum is 373850688
• The reverse of 362167823 is 328761263
• Previous prime number is 31

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 38
• Digital Root 2

### Name

Name one billion seven million four hundred seventy-three thousand nine hundred six

### Interesting facts

• 1007473906 has 8 divisors, whose sum is 1515421440
• The reverse of 1007473906 is 6093747001
• Previous prime number is 359

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 37
• Digital Root 1