Solve Using the Quadratic Formula 2x^2-3x=7

Solve Using the Quadratic Formula 2x^2-3x=7
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 seven hundred eighty-nine million nine hundred eighty-five thousand seventy-four

Interesting facts

  • 789985074 has 32 divisors, whose sum is 1619205120
  • The reverse of 789985074 is 470589987
  • Previous prime number is 67

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 9
  • Sum of Digits 57
  • Digital Root 3

Name

Name one hundred sixty-one million seven hundred thirty-eight thousand four hundred sixty-nine

Interesting facts

  • 161738469 has 16 divisors, whose sum is 183143040
  • The reverse of 161738469 is 964837161
  • Previous prime number is 67

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 9
  • Sum of Digits 45
  • Digital Root 9

Name

Name one billion two hundred twenty-four million one hundred thirty-five thousand eight hundred sixty-seven

Interesting facts

  • 1224135867 has 16 divisors, whose sum is 1641708288
  • The reverse of 1224135867 is 7685314221
  • Previous prime number is 613

Basic properties

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