# 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.
Simplify the numerator.
Raising to any positive power yields .
Multiply by .
Multiply by .
Rewrite as .
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