Solve Using the Quadratic Formula 4x^2-8=0

Solve Using the Quadratic Formula 4x^2-8=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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Raising to any positive power yields .
Multiply by .
Multiply by .
Add and .
Rewrite as .
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Factor out of .
Rewrite as .
Pull terms out from under the radical.
Multiply by .
Simplify .
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
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Name

Name two hundred sixty million six hundred twenty-three thousand nine hundred sixty-five

Interesting facts

  • 260623965 has 32 divisors, whose sum is 481501440
  • The reverse of 260623965 is 569326062
  • Previous prime number is 97

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 9
  • Sum of Digits 39
  • Digital Root 3

Name

Name one billion eight hundred fifty-eight million two hundred thirty-six thousand seven hundred twenty-two

Interesting facts

  • 1858236722 has 8 divisors, whose sum is 2804046336
  • The reverse of 1858236722 is 2276328581
  • Previous prime number is 167

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 10
  • Sum of Digits 44
  • Digital Root 8

Name

Name two billion one hundred three million seven hundred eighteen thousand one hundred twenty-six

Interesting facts

  • 2103718126 has 8 divisors, whose sum is 3202675560
  • The reverse of 2103718126 is 6218173012
  • Previous prime number is 67

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 10
  • Sum of Digits 31
  • Digital Root 4