Solve Using the Quadratic Formula 3x^2-2x-5=0

Solve Using the Quadratic Formula 3x^2-2x-5=0
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 .
Rewrite as .
Pull terms out from under the radical, assuming positive real numbers.
Multiply by .
Simplify .
The final answer is the combination of both solutions.
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Name

Name one billion three hundred ninety-nine million two hundred forty-two thousand seven hundred fifty-one

Interesting facts

  • 1399242751 has 8 divisors, whose sum is 1415007104
  • The reverse of 1399242751 is 1572429931
  • Previous prime number is 1153

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 10
  • Sum of Digits 43
  • Digital Root 7

Name

Name seventy-one million one hundred ninety-three thousand fifty-eight

Interesting facts

  • 71193058 has 16 divisors, whose sum is 109836000
  • The reverse of 71193058 is 85039117
  • Previous prime number is 89

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 8
  • Sum of Digits 34
  • Digital Root 7

Name

Name one billion five hundred eighty-five million two hundred thirty-three thousand two hundred fifty-six

Interesting facts

  • 1585233256 has 32 divisors, whose sum is 5361344640
  • The reverse of 1585233256 is 6523325851
  • Previous prime number is 479

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 10
  • Sum of Digits 40
  • Digital Root 4