![quadratic equation examples quadratic equation examples](https://image3.slideserve.com/6310728/slide4-l.jpg)
The first method, the quadratic formula, works regardless of what format the quadratic equation comes in. There are two main ways of solving a quadratic formula.
![quadratic equation examples quadratic equation examples](https://i.ytimg.com/vi/94dBHWbzxIE/maxresdefault.jpg)
(a = 9, b = 0, c = -81 since we could subtract 81 from both sides)
![quadratic equation examples quadratic equation examples](http://www.quotemaster.org/images/57/577e16faced94e8b1c945397969a540e.gif)
The first method, the quadratic formula, works regardless of what format the quadratic equation comes in. There are two main ways of solving a quadratic formula.
(a = 9, b = 0, c = -81 since we could subtract 81 from both sides)