Substitution method is not a method for solving a single quadratic equation
Given
Solving quadratic equation
Quadratic equation of the form [tex]ax^2+bx+c[/tex]
We can do factoring by apply the grouping or breaking the middle term method .
Quadratic formula is also use to solve any quadratic equation .
Completing the square method is similar to quadratic formula . Quadratic equation can be solved by applying the square root .
Quadratic equation is a single equation so we cannot use substitution method for solving any quadratic equation .
Learn more : brainly.com/question/16620779
