exam Maths Puzzle Numerical Ability

6x^2 + x - 2 = 0

I am just learning this...Help!

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exam Other Question

the hotel has given you the choise to choose the exact size of the spa, as long as its perimetre is between 50 and 75(i choose 60) they would like to know the dimensions of the gar Consider the function f(x)=x^2-6x+2

Find h, the x-coordinate of the vertex of this parabola, show the work