exam Maths Puzzle Numerical Ability

i need to factorize x^2 + 1 /x^2 +2 -2x - 2/x , i need urgent help in this please i did this sum but the answers coming wrong . thanks

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58.3% of driver`s license exams resulted in a passing mark. If the records show that 8370 new drivers licenses were issued, how many applicants were there? d squared plus 2d minus 8 = 0