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Question 1
3 marksFactorise a2+3a−28a^2 + 3a - 28a2+3a−28
What is the highest power of the variable in a quadratic expression?
Revision notes for OCR GCSE Maths Solving Quadratics. Open the guide for explanations and worked examples. Written against the OCR GCSE Maths (J560) specification, so the content matches what's examinable rather than general Maths background.
1 of 5
Which factorisation is correct for x2+9x+20x^2+9x+20x2+9x+20?