exam Maths Puzzle Numerical Ability

I believe I have this correct. Can you please check it for me.

3x^2+5x-3=x
3x^2+5x-3-x=0
3x^2+4x=3

Thank You

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exam Other Question

Debbie plans on investing enough money so that she will have $2000 at the end of two years. How much money will she have to invest now if her money will grow according to the following formula: 2000 = P (1.025)^4? -2>r/-6