# Solve for a a^2+21^2=29^2

Solve for a a^2+21^2=29^2
Raise to the power of .
Raise to the power of .
Move all terms not containing to the right side of the equation.
Subtract from both sides of the equation.
Subtract from .
Take the root of both sides of the to eliminate the exponent on the left side.
The complete solution is the result of both the positive and negative portions of the solution.
Simplify the right side of the equation.
Rewrite as .
Pull terms out from under the radical, assuming positive real numbers.
The complete solution is the result of both the positive and negative portions of the solution.
First, use the positive value of the to find the first solution.
Next, use the negative value of the to find the second solution.
The complete solution is the result of both the positive and negative portions of the solution.
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### Name

Name one billion one hundred seventy-one million four hundred twenty-five thousand three hundred eighty-four

### Interesting facts

• 1171425384 has 64 divisors, whose sum is 4421977920
• The reverse of 1171425384 is 4835241711
• Previous prime number is 151

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 36
• Digital Root 9

### Name

Name six hundred sixty-nine million ninety-three thousand one hundred ninety

### Interesting facts

• 669093190 has 8 divisors, whose sum is 1204367760
• The reverse of 669093190 is 091390966
• Previous prime number is 5

### Basic properties

• Is Prime? no
• Number parity even
• Number length 9
• Sum of Digits 43
• Digital Root 7

### Name

Name two hundred forty-nine million eight hundred fifty thousand nine hundred eleven

### Interesting facts

• 249850911 has 8 divisors, whose sum is 336369280
• The reverse of 249850911 is 119058942
• Previous prime number is 103

### Basic properties

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