Express 324−2x32^{4-2x}324−2x in the form 2y2^y2y, giving y y\,y in the form ax+bax + bax+b, where a a\,a and b b\,b are constants.
134 exam-style questions 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 has a worked solution and a mark scheme showing where the marks go.