# Solve Using the Quadratic Formula x^2-8x+16=0

Solve Using the Quadratic Formula x^2-8x+16=0
Use the quadratic formula to find the solutions.
Substitute the values , , and into the quadratic formula and solve for .
Simplify.
Simplify the numerator.
Raise to the power of .
Multiply by .
Multiply by .
Subtract from .
Rewrite as .
Pull terms out from under the radical, assuming positive real numbers.
Multiply by .
Simplify .
Divide by .
The final answer is the combination of both solutions.
Double roots
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### Name

Name one billion nine hundred six million sixteen thousand two hundred eighty-four

### Interesting facts

• 1906016284 has 8 divisors, whose sum is 4288536648
• The reverse of 1906016284 is 4826106091
• Previous prime number is 2

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 37
• Digital Root 1

### Name

Name one billion six hundred twenty million four hundred forty-one thousand two

### Interesting facts

• 1620441002 has 4 divisors, whose sum is 2430661506
• The reverse of 1620441002 is 2001440261
• Previous prime number is 2

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 20
• Digital Root 2

### Name

Name one billion eight hundred ninety-seven million three hundred five thousand four hundred twenty-four

### Interesting facts

• 1897305424 has 128 divisors, whose sum is 11033117568
• The reverse of 1897305424 is 4245037981
• Previous prime number is 197

### Basic properties

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