4024/11 May/Jun 2022, Question 13: Expanding Two Brackets
Cambridge O Level Mathematics 4024 · Paper 11 (Non-calculator) · Non-calculator · 6 marks
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The question, in short
Expand and simplify two algebraic products, then combine two fractions with b terms into one simplified fraction.
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Part (ai) · 2 marks
Expand and simplify (x + 3)(x − 4).
- 1x² − 4x + 3x − 12
- 2= x² − x − 12
Answerx² − x − 12
Part (aii) · 2 marks
Expand and simplify 5(x + 2) − 2(2x − 1).
- 15x + 10 − 4x + 2
- 2= x + 12
Answerx + 12
Part (b) · 2 marks
Write 4b/3 + 5b/9 as a single fraction in simplest form.
- 14b/3 = 12b/9
- 212b/9 + 5b/9 = 17b/9
Answer(17b)/9
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Also searched as: 4024/11/M/J/22 · 4024_s22_qp_11 · 4024 s22 11 · question 13.
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