Solve the equation
x+12=x3 x + \sqrt{12} = x\sqrt{3} x+12=x3writing the answer as a surd in its simplest form.
Solve the equation
93x−1=33 9^{3x-1} = 3\sqrt{3} 93x−1=33134 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.