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Question 1
3 marksWrite x2−6x+1x^2 - 6x + 1x2−6x+1 in the form (x+a)2+b(x + a)^2 + b(x+a)2+b where a a\,a and b b\,b are integers.
In the expansion (x+r)2=x2+2rx+r2(x+r)^2 = x^2 + 2rx + r^2(x+r)2=x2+2rx+r2, how is the number inside the bracket (rrr) related to the xxx coefficient?
Revision notes for AQA GCSE Maths Completing the Square. Open the guide for explanations and worked examples. Written against the AQA GCSE Maths (8300) specification, so the content matches what's examinable rather than general Maths background.
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Rewrite x2+6x+2x^2+6x+2x2+6x+2 in completed square form.
