Consider the form <math><mstyle displaystyle="true"><msup><mrow><mi>x</mi></mrow><mrow><mn>2</mn></mrow></msup><mo>+</mo><mi>b</mi><mi>x</mi><mo>+</mo><mi>c</mi></mstyle></math> . Find a pair of integers whose product is <math><mstyle displaystyle="true"><mi>c</mi></mstyle></math> and whose sum is <math><mstyle displaystyle="true"><mi>b</mi></mstyle></math> . In this case, whose product is <math><mstyle displaystyle="true"><mo>-</mo><mn>21</mn></mstyle></math> and whose sum is <math><mstyle displaystyle="true"><mn>4</mn></mstyle></math> .

Write the factored form using these integers.

Do you know how to Factor x^2+4x-21? 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 | eight hundred thirty-six million two hundred six thousand three hundred seventy-two |
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- 836206372 has 8 divisors, whose sum is
**1881464346** - The reverse of 836206372 is
**273602638** - Previous prime number is
**2**

- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 37
- Digital Root 1

Name | one billion three hundred thirty-six million fifty-four thousand eight hundred twenty-two |
---|

- 1336054822 has 8 divisors, whose sum is
**2021817816** - The reverse of 1336054822 is
**2284506331** - Previous prime number is
**113**

- Is Prime? no
- Number parity even
- Number length 10
- Sum of Digits 34
- Digital Root 7

Name | one billion six hundred sixty-seven million six hundred seventy-two thousand six hundred sixty-eight |
---|

- 1667672668 has 16 divisors, whose sum is
**3755802960** - The reverse of 1667672668 is
**8662767661** - Previous prime number is
**1063**

- Is Prime? no
- Number parity even
- Number length 10
- Sum of Digits 55
- Digital Root 1