Rewrite <math><mstyle displaystyle="true"><mn>9</mn></mstyle></math> as <math><mstyle displaystyle="true"><msup><mrow><mn>3</mn></mrow><mrow><mn>2</mn></mrow></msup></mstyle></math> .

Since both terms are perfect squares, factor using the difference of squares formula, <math><mstyle displaystyle="true"><msup><mrow><mi>a</mi></mrow><mrow><mn>2</mn></mrow></msup><mo>-</mo><msup><mrow><mi>b</mi></mrow><mrow><mn>2</mn></mrow></msup><mo>=</mo><mrow><mo>(</mo><mi>a</mi><mo>+</mo><mi>b</mi><mo>)</mo></mrow><mrow><mo>(</mo><mi>a</mi><mo>-</mo><mi>b</mi><mo>)</mo></mrow></mstyle></math> where <math><mstyle displaystyle="true"><mi>a</mi><mo>=</mo><mi>x</mi></mstyle></math> and <math><mstyle displaystyle="true"><mi>b</mi><mo>=</mo><mn>3</mn></mstyle></math> .

Do you know how to Factor x^2-9? If not, you can write to our math experts in our application. The best solution for your task you can find above on this page.

Name | twenty million one hundred ninety-five thousand nine hundred sixty-one |
---|

- 20195961 has 8 divisors, whose sum is
**27297120** - The reverse of 20195961 is
**16959102** - Previous prime number is
**73**

- Is Prime? no
- Number parity odd
- Number length 8
- Sum of Digits 33
- Digital Root 6

Name | seven hundred fifty-six million three hundred seventy-two thousand four hundred eleven |
---|

- 756372411 has 32 divisors, whose sum is
**1559032320** - The reverse of 756372411 is
**114273657** - Previous prime number is
**23**

- Is Prime? no
- Number parity odd
- Number length 9
- Sum of Digits 36
- Digital Root 9

Name | one billion six hundred thirty-three million four hundred twenty-three thousand five hundred ninety-five |
---|

- 1633423595 has 8 divisors, whose sum is
**1960607376** - The reverse of 1633423595 is
**5953243361** - Previous prime number is
**4133**

- Is Prime? no
- Number parity odd
- Number length 10
- Sum of Digits 41
- Digital Root 5