In this question you must show detailed reasoning.
Solve the equation t(7−5)=88t(7-\sqrt{5})=88t(7−5)=88, giving your answer in the form a+b5a+b\sqrt{5}a+b5 where a a\,a and b b\,b are positive integers.
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.