Solve Using the Quadratic Formula 2x^2-7x=1

Solve Using the Quadratic Formula 2x^2-7x=1
Subtract from both sides of the equation.
Use the quadratic formula to find the solutions.
Substitute the values , , and into the quadratic formula and solve for .
Simplify.
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Simplify the numerator.
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Raise to the power of .
Multiply by .
Multiply by .
Add and .
Multiply by .
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
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Name

Name nine hundred eighty-seven million nine thousand eight hundred forty-eight

Interesting facts

  • 987009848 has 64 divisors, whose sum is 3638048256
  • The reverse of 987009848 is 848900789
  • Previous prime number is 971

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 9
  • Sum of Digits 53
  • Digital Root 8

Name

Name five hundred ninety-eight million three hundred five thousand nine hundred ninety-one

Interesting facts

  • 598305991 has 8 divisors, whose sum is 636290480
  • The reverse of 598305991 is 199503895
  • Previous prime number is 19

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 9
  • Sum of Digits 49
  • Digital Root 4

Name

Name one billion three hundred forty-eight million two hundred twenty-two thousand seven hundred ninety-one

Interesting facts

  • 1348222791 has 32 divisors, whose sum is 1939956480
  • The reverse of 1348222791 is 1972228431
  • Previous prime number is 107

Basic properties

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