4MA1/1H Jun 2021, Question 13: Further Expansion
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1H (Higher) · Calculator · 3 marks
اقرأ هذا الحل مشروحاً بالعربي ←
The question, in short
Expand and simplify the product 4x(3x + 1)(2x − 3), showing clear working.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 3 marks
- 1(3x + 1)(2x − 3) = 6x² − 9x + 2x − 3 = 6x² − 7x − 3
- 2Multiply every term by 4x: 4x(6x² − 7x − 3)
- 324x³ − 28x² − 12x
Answer24x³ − 28x² − 12x
Stuck on a step? Read the free lesson: Further Expansion
Practise more further expansion questions
Real 4MA1 past-paper questions, marked on your working like the exam, with a worked solution for every part.
Practise free on LemmaraMore past-paper questions on further expansion
Also searched as: 4MA1 1H June 2021 · 4MA1/1H · 4ma1 jun21 1h · question 13.
Lemmara is an independent study tool, not affiliated with or endorsed by Pearson Edexcel. The worked solutions are Lemmara’s own.