Expressions, terms and like terms
Expressions, terms and like terms
An algebraic expression is a mathematical phrase made from numbers, letters and operations, but it has no equals sign to solve. In 3x2−5x+13x^2 - 5x + 13x2−5x+1, the terms are 3x23x^23x2, −5x-5x−5x and 111.
Step-by-step lessons on Edexcel AS Level Maths Algebraic Expressions, covering 1.1 Index Laws, 1.2 Expanding Brackets, 1.3 Factorising, 1.4 Negative and Fractional Indices, and 1.5 Surds. Each one builds up to exam-style questions. Build fluency in the core algebra, surds and trigonometry topics early, since they underpin the calculus, statistics and mechanics content that follows.