This is the cubic formula, which, like the quadratic formula, solves every cubic equation. But unlike the quadratic formula, it has no catchy tune to sing along to.

Solving simultaneous equations with one linear and one quadratic Key fact When solving simultaneous equations with a linear and quadratic equation, there will usually be two pairs of answers.

Many former algebra students have painful memories of struggling to memorize the quadratic formula. A new way to derive it, overlooked for 4,000 years, is so simple it eliminates the need.

Learn how to form, manipulate and solve quadratic equations. Revise expansion of expressions and factorising and forming quadratics.

CBSE Class 10 Maths Chapter 4 Important Questions: All the important questions from Chapter 4 Quadratic Equations of CBSE Class 10. Also get the solutions.