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

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