4024/11 Oct/Nov 2022, Question 12: Expand and Simplify
Cambridge O Level Mathematics 4024 · Paper 11 (Non-calculator) · Non-calculator · 4 marks
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The question, in short
Expand and simplify two algebraic expressions: one with a single bracket multiplied by 3 and another by −2, and one product of two binomials.
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Part (a) · 2 marks
Expand 3(2x + 1) − 2(4x + 3) and simplify the result.
- 16x + 3 − 8x − 6
- 2= −2x − 3
Answer−2x − 3 or −(2x + 3)
Part (b) · 2 marks
Expand and simplify the product (x + 5)(x − 3).
- 1x² − 3x + 5x − 15
- 2= x² + 2x − 15
Answerx² + 2x − 15
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Also searched as: 4024/11/O/N/22 · 4024_w22_qp_11 · 4024 w22 11 · question 12.
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