exam Maths Puzzle Numerical Ability

I do not think my question posted so I am going to try again. Here is the equation 3x^2-2x+1=0. I am confused by my answer: -2 +/- sqr rt -8,over 6. Is this the correct answer and if so do I leave it or break it down further?

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exam Other Question

Solve.

3- a-1/a+2 = a^2-1/a+2
sqrt (y) + sqrt (y+7) = 7 please help me solve for the unknown and show all work