In algebra, letters are used to stand for values that can change (variables) or for values that are not known (unknowns). A term is a number or letter on its own, or numbers and letters multiplied ...

Explore updated revision resources for GCSE Maths: Solving geometric problems with vectors, with step-by-step slideshows, quizzes, practice exam questions, and more! In algebra, letters are used to ...

👉Learn how to factor quadratics. A quadratic is an algebraic expression having two as the highest power of its variable(s).

👉Learn how to factor quadratics. A quadratic is an algebraic expression having two as the highest power of its variable(s).