The quadratic formula x b b 2 4 a c 2 a is used to solve quadratic equations where a 0 polynomials with an order of 2 a x 2 b x c 0. Then we plug these coefficients in the formula. Quadratic Equations can be factored.
In this case the GCF is 4 so lets divide both sides by 4.
Created by Sal Khan. The c in the formula is the constant. Improve your math knowledge with free questions in Solve a quadratic equation using the quadratic formula and thousands of other math skills. Created by Sal Khan.