1. The problem from page 184, question 6, parts a and b, is to solve the algebraic expressions or equations given. 2. For part (a), first identify the equation or expression and then proceed step-by-step to simplify or solve it. 3. For part (b), similarly analyze the problem and apply appropriate algebraic methods. Since the exact problem statement is not provided, please specify the exact expressions or equations from question 6 parts a and b so I can assist you with detailed solutions.