Solve the equation
x+27=x3 x + \sqrt{27} = x\sqrt{3} x+27=x3writing the answer as a surd in its simplest form.
Solve the equation
8x+2=42 8^{x+2} = 4\sqrt{2} 8x+2=42134 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.