book Maths Puzzle Numerical Ability

I really need your help on this factoring....seems like there is no answer:
36x^2 - 18x + 9 = 0.

Thank you....

Ray

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book Other Question

Can you explain step by step a travel and distance problem as follows...
you may put in numbers of your own. This is a theoretical problem.

John goes North 10mph and Tim goes 8
Solve30 each of the following equations for x




3x- 5 (3x-7)=2(x+9)+45