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y=-4x-1
(-4x-1)^2 +5x^2 +2x=0

16x^2 +8x +1 +5x^2 +2x=0

21x^2 +10x + 1 =0
(7x+1)(3x+1)=0

x=-1/7 or -1/3

y= -3/7 or 1/3

The EPQ is quite an open-ended course, in that you have a lot of freedom in choosing what you study, where you study/write up and how you choose to carry out research. This is great for some people, howev...

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