GCSE AQA Algebraic expressions - AQA Quadratics when the coefficient of x² ≠ 1 - Higher Letters can be used to stand for unknown values or values that can change. Formulas can be written and ...

Factorising quadratics when the coefficient of x squared ≠ 1 - Higher Quadratic expressions can be written in the form a x 2 + b x + c, where a, b and c are numbers.