0580/12 May/Jun 2021, Question 24: Expand and Simplify
Cambridge IGCSE Mathematics 0580 · Paper 12 (Core) · Calculator · 2 marks
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The question, in short
Expand and simplify 5(2x − 7) − 3(x − 5).
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Solution · 2 marks
- 15(2x − 7) = 10x − 35
- 2−3(x − 5) = −3x + 15
- 310x − 35 − 3x + 15 = 7x − 20
Answer7x − 20
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Also searched as: 0580/12/M/J/21 · 0580_s21_qp_12 · 0580 s21 12 · question 24.
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