Edexcel IGCSE Math A 2.2.HA Expanding Multiple Linear Expressions
Practise expanding two factors first, multiplying by the remaining factor and collecting the resulting cubic terms.
- Syllabus
- First assessment 2018
- Course
- Math A 4MA1
- Level
- Higher
Exam points
- expand two brackets and simplify before multiplying by the third factor
- distribute an outside coefficient or x-term across every expanded term
- collect cubic, quadratic, linear and constant terms in descending powers
2.2.HA Products of multiple linear expressions question 1
[Maximum number: 3]
Expand and simplify 2 x(x-5)(x-3)
2x(x−5)(x−3)=2x(x2−8x+15)=2x3−16x2+30x
Final answer:
2x3−16x2+30x
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