Press to solve the equation. Remember when inserting the numbers to insert them with parenthesis. This will be important later on.
Only if it can be put in the form ax 2 bx c 0 and a is not zero.
A quadratic equation can be solved by using the quadratic formula. You can also use Excels Goal Seek feature to solve a quadratic equation. Open the quadratic equation solve mode. The standard form of a quadratic equation is ax2bxc0.