Mathematics 4024 · O Level · Algebraic manipulation

Algebraic manipulation — practice question

(a)[2]

Expand and simplify the expression $3(2x + 1) - 2(4x + 3)$.

(b)[2]

Expand and simplify the expression $(x + 5)(x - 3)$.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: The answer is $-2x-3$.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI