Solve the equation: x2−9x+8=0x^2 - 9x + 8 = 0x2−9x+8=0
Hence solve the equation: y3−9y32+8=0\displaystyle y^3 - 9y^{\frac{3}{2}} + 8 = 0y3−9y23+8=0
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.