exam Maths Puzzle Numerical Ability

CAN SOMEONE PLEASE HELP ME SOLVE THIS!!!!!!

5/X+6+2/X^2+7X+6=3/X+1

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exam Other Question

Express
_
2/2 3
---- - ----
_ _
/3 2/6

in simplified radical form.
Solve the equation.
b/3 - b/4 = 5