4MA1/1FR Jan 2021, Question 8: Expand and Simplify
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1FR (Foundation) · Calculator · 4 marks
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The question, in short
Simplify three algebraic expressions: a product of four a terms, a product of 4b and 5c, and a sum of 6d, 2e, d and −5e.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Part (a) · 1 mark
Simplify a × a × a × a.
- 1a × a × a × a = a⁴
Answera⁴
Part (b) · 1 mark
Simplify 4b × 5c.
- 14b × 5c = 20bc
Answer20bc
Part (c) · 2 marks
Simplify 6d + 2e + d − 5e.
- 16d + d = 7d
- 22e − 5e = −3e
- 37d − 3e
Answer7d − 3e
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