0580/12 May/Jun 2024, Question 14: Simple Factorising
Cambridge IGCSE Mathematics 0580 · Paper 12 (Core) · Calculator · 2 marks
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The question, in short
Factorise the expression 20x − 90x² completely.
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Solution · 2 marks
- 1Highest common factor of 20x and 90x² is 10x
- 220x − 90x² = 10x(2 − 9x)
Answer10x(2 − 9x)
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