exam Maths Puzzle Numerical Ability

I have to solve by using the quadratic formula.

3x^2=11x+4.

I get -1/3 and 4

Am i correct?

Thanks for helping me.

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exam Other Question

The length of a rectangle is 2 in. more than twice its width. If the perimeter of the rectangle is 52 in., find the width of the rectangle. Solve using an algebraic equation.

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