4MA1/2F Nov 2021, Question 3: Expand and Simplify
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2F (Foundation) · Calculator · 2 marks
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The question, in short
Simplify two short algebraic expressions: one by combining like terms in x, and one by multiplying a term in p by a number.
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Part (a) · 1 mark
Combine the like terms 4x, 5x and −2x into a single term.
- 14x + 5x = 9x
- 29x − 2x = 7x
Answer7x
Part (b) · 1 mark
Multiply 4p by 7 and give the simplified result.
- 14p × 7 = 28p
Answer28p
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