Evaluate (a+b-c)(a+b+c)

Evaluate (a+b-c)(a+b+c)
Expand by multiplying each term in the first expression by each term in the second expression.
Simplify terms.
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Combine the opposite terms in .
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Reorder the factors in the terms and .
Subtract from .
Add and .
Reorder the factors in the terms and .
Subtract from .
Add and .
Simplify each term.
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Multiply by .
Multiply by .
Multiply by by adding the exponents.
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Move .
Multiply by .
Add and .
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Reorder and .
Add and .
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Name

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

Interesting facts

  • 1353725978 has 8 divisors, whose sum is 2047371060
  • The reverse of 1353725978 is 8795273531
  • Previous prime number is 121

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 10
  • Sum of Digits 50
  • Digital Root 5

Name

Name one billion seven hundred twenty-seven million eight hundred forty-nine thousand two hundred eighty-four

Interesting facts

  • 1727849284 has 32 divisors, whose sum is 4676886720
  • The reverse of 1727849284 is 4829487271
  • Previous prime number is 19

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 10
  • Sum of Digits 52
  • Digital Root 7

Name

Name one billion one hundred sixty-five million one hundred twenty-three thousand five hundred sixty-nine

Interesting facts

  • 1165123569 has 8 divisors, whose sum is 1555388992
  • The reverse of 1165123569 is 9653215611
  • Previous prime number is 823

Basic properties

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