exam Maths Puzzle Numerical Ability

I need to solve the following system of linear inequalities by graphing.

3x + 4y < or = 12
x + 3y < or = 6
x > or = 0
y > or = 0

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exam Other Question
Factor completely:
2x^2-50

Thanks for your help ! 3x/x-1 + 6x-9/x-1 -6 =0 solve for x. the numbers in front are fractions