These are all quadratic equations in disguise. Set the equation equal to 0. You can also use Excels Goal Seek feature to solve a quadratic equation.
To solve a quadratic equation by factoring Put all terms on one side of the equal sign leaving zero on the other side.
When you use the Principle of Zero Products to solve a quadratic equation you need to make sure that the equation is equal to zero. The coefficients for the quadratic formula are a 4 b 6 and c 1. You solve a quadratic equation by figuring out WHEN Y0 what does X equalx0. The name comes from quad meaning square as the variable is squared in other words x2.