Factor 6x^2-5x-21

Factor 6x^2-5x-21
For a polynomial of the form , rewrite the middle term as a sum of two terms whose product is and whose sum is .
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Factor out of .
Rewrite as plus
Apply the distributive property.
Factor out the greatest common factor from each group.
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Group the first two terms and the last two terms.
Factor out the greatest common factor (GCF) from each group.
Factor the polynomial by factoring out the greatest common factor, .
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Name

Name four hundred twenty-five million three hundred ninety-seven thousand three hundred seventeen

Interesting facts

  • 425397317 has 4 divisors, whose sum is 440066220
  • The reverse of 425397317 is 713793524
  • Previous prime number is 29

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 9
  • Sum of Digits 41
  • Digital Root 5

Name

Name two hundred sixteen million seven hundred forty thousand seven hundred thirteen

Interesting facts

  • 216740713 has 8 divisors, whose sum is 249512832
  • The reverse of 216740713 is 317047612
  • Previous prime number is 137

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 9
  • Sum of Digits 31
  • Digital Root 4

Name

Name three hundred forty-three million four hundred forty-two thousand seven hundred seventy

Interesting facts

  • 343442770 has 16 divisors, whose sum is 623308248
  • The reverse of 343442770 is 077244343
  • Previous prime number is 121

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 9
  • Sum of Digits 34
  • Digital Root 7