Sketch then expand or factorise

Questions that ask to sketch the curve and then manipulate the algebraic form by expanding to standard form or factorising completely.

2 questions · Easy -1.2

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OCR C1 2013 January Q5
6 marks Easy -1.3
  1. Simplify \((x + 4)(5x - 3) - 3(x - 2)^2\). [3]
  2. The coefficient of \(x^2\) in the expansion of $$(x + 3)(x + k)(2x - 5)$$ is \(-3\). Find the value of the constant \(k\). [3]
OCR MEI C1 2011 June Q6
3 marks Easy -1.2
Expand \((2x + 5)(x - 1)(x + 3)\), simplifying your answer. [3]