4024/23 May/Jun 2025, Question 6: Expand and Simplify
Cambridge O Level Mathematics 4024 · Paper 23 (Calculator) · Calculator · 3 marks
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The question, in short
Simplify two algebraic expressions: one by collecting like terms in a, b, and one by dividing powers of c.
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Part (a) · 2 marks
Collect the a terms and the b terms in 5a + 3b + 2a − 7b to give a simplified expression.
- 15a + 2a = 7a, 3b − 7b = −4b
- 2= 7a − 4b
Answer7a − 4b
Part (b) · 1 mark
Simplify c¹² ÷ c⁴ using the rule for dividing powers with the same base.
- 1c¹² ÷ c⁴ = c¹²⁻⁴ = c⁸
Answerc⁸
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Also searched as: 4024/23/M/J/25 · 4024_s25_qp_23 · 4024 s25 23 · question 6.
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