(main)[2]
Expand the brackets, then simplify the expression: $4(5w + 3) - 2(w - 1)$.
Mathematics 0580 · IGCSE · Algebraic manipulation
Expand the brackets, then simplify the expression: $4(5w + 3) - 2(w - 1)$.
This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Demonstrates a valid algebraic method, for instance $20w+12"” …