exam Maths Puzzle Numerical Ability

5y3-y2+15y-3=0

Im so confused could someone please help me?

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A recent poll conducted by The New York Times and CBS News, published on
September 10, 2007 asked respondents
� If you had to choose, whom would you say you trust the most with hi, i need some help solving this problem..
3x-5y=1
10y=6x-1

if possible express the answer in ordered pairs. Thanks!