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4024/11 Oct/Nov 2024, Question 5: Expand and Simplify

Cambridge O Level Mathematics 4024 · Paper 11 (Non-calculator) · Non-calculator · 3 marks

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The question, in short

Simplify a four-term algebraic expression by collecting like terms, then expand a single bracket with a numerical multiplier.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Part (a) · 2 marks

Simplify 2a − 3b + 4b − 5a by combining like terms.

  1. 12a − 5a = −3a and −3b + 4b = b
  2. 2= −3a + b

Answer−3a + b

Part (b) · 1 mark

Expand 5(3x − 2).

  1. 15 × 3x − 5 × 2 = 15x − 10

Answer15x − 10

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Also searched as: 4024/11/O/N/24 · 4024_w24_qp_11 · 4024 w24 11 · question 5.
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