That formula can be used to solve standard form quadratic equations where ax2 bx c 0. Solve x 2 - 4x 4 0. X b b 2 4 a c 2 a.
X 6 36 20 10.
Divide both sides by 3 Solving quadratics by factorising when a 1. Another view on the quadratic formulaFull playlist. Solving simple quadratic equations 3x2 48 is an example of a quadratic equation that can be solved simply. Ax 2 bx c 0.