exam Maths Puzzle Numerical Ability

Please help, it says to solve by completing the square.
x^2-3x+1=0
What I got for this was x-2 x+8 2-83
I am not so sure about my answer, please help! Thank You=)

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exam Other Question

To get to the store from his house, Jim biked 5 kilometers due west and then 12 kilometers due north. On the way back he cut across a field, taking the shortest possible route home. How far did Jim bike on the round trip? What is the standard form for the following Hyperbola formula: 4y^2-25x^2-8x-96=0