# Find the Roots (Zeros) 16x^2=-72x-83

Find the Roots (Zeros) 16x^2=-72x-83
Add to both sides of the equation.
Add to 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.
Simplify the numerator.
Raise to the power of .
Multiply by .
Multiply by .
Subtract from .
Rewrite as .
Rewrite as .
Rewrite as .
Rewrite as .
Factor out of .
Rewrite as .
Pull terms out from under the radical.
Move to the left of .
Multiply by .
Simplify .
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### Name

Name one billion seven hundred thirty-four million four hundred eighty-seven thousand six hundred twelve

### Interesting facts

• 1734487612 has 32 divisors, whose sum is 4584870864
• The reverse of 1734487612 is 2167844371
• Previous prime number is 11

### Basic properties

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

### Name

Name seven hundred twenty-one million six hundred eighty-eight thousand six hundred ninety-five

### Interesting facts

• 721688695 has 16 divisors, whose sum is 889588224
• The reverse of 721688695 is 596886127
• Previous prime number is 7

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 52
• Digital Root 7

### Name

Name one billion nine hundred fifty-two million nine hundred eighty-one thousand nine hundred fifty-three

### Interesting facts

• 1952981953 has 8 divisors, whose sum is 2108359400
• The reverse of 1952981953 is 3591892591
• Previous prime number is 409

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 52
• Digital Root 7