Subtract <math><mstyle displaystyle="true"><mn>1</mn></mstyle></math> from both sides of the equation.

Use the quadratic formula to find the solutions.

Substitute the values <math><mstyle displaystyle="true"><mi>a</mi><mo>=</mo><mn>2</mn></mstyle></math> , <math><mstyle displaystyle="true"><mi>b</mi><mo>=</mo><mo>-</mo><mn>7</mn></mstyle></math> , and <math><mstyle displaystyle="true"><mi>c</mi><mo>=</mo><mo>-</mo><mn>1</mn></mstyle></math> into the quadratic formula and solve for <math><mstyle displaystyle="true"><mi>x</mi></mstyle></math> .

Simplify the numerator.

Raise <math><mstyle displaystyle="true"><mo>-</mo><mn>7</mn></mstyle></math> to the power of <math><mstyle displaystyle="true"><mn>2</mn></mstyle></math> .

Multiply <math><mstyle displaystyle="true"><mo>-</mo><mn>4</mn></mstyle></math> by <math><mstyle displaystyle="true"><mn>2</mn></mstyle></math> .

Multiply <math><mstyle displaystyle="true"><mo>-</mo><mn>8</mn></mstyle></math> by <math><mstyle displaystyle="true"><mo>-</mo><mn>1</mn></mstyle></math> .

Add <math><mstyle displaystyle="true"><mn>49</mn></mstyle></math> and <math><mstyle displaystyle="true"><mn>8</mn></mstyle></math> .

Multiply <math><mstyle displaystyle="true"><mn>2</mn></mstyle></math> by <math><mstyle displaystyle="true"><mn>2</mn></mstyle></math> .

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

Do you know how to Solve Using the Quadratic Formula 2x^2-7x=1? 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 | one billion seventy-eight million five hundred forty-three thousand three hundred seventy-six |
---|

- 1078543376 has 256 divisors, whose sum is
**6271791120** - The reverse of 1078543376 is
**6733458701** - Previous prime number is
**17**

- Is Prime? no
- Number parity even
- Number length 10
- Sum of Digits 44
- Digital Root 8

Name | one billion three hundred five million seven hundred twenty-seven thousand two |
---|

- 1305727002 has 32 divisors, whose sum is
**3482777088** - The reverse of 1305727002 is
**2007275031** - Previous prime number is
**10663**

- Is Prime? no
- Number parity even
- Number length 10
- Sum of Digits 27
- Digital Root 9

Name | seven hundred nineteen million seven hundred thirteen thousand eight hundred thirty-six |
---|

- 719713836 has 64 divisors, whose sum is
**1778674464** - The reverse of 719713836 is
**638317917** - Previous prime number is
**41**

- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 45
- Digital Root 9