exam Maths Puzzle Numerical Ability

How to solve quadratic equation

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I need the coordinates of the x-intercept. I think it is either (-6, 0) or (-3,0)
I am not sure if either of these pairs are correct, or if I have them in right order. I am so confused.

Thank you, Ellen I cant figure out how to solve ...
(x+4)/3x + (x+8)/5x = 2