exam Maths Puzzle Numerical Ability

Use the quadratic formula to solve each of the following quadratic equations.
2x^2-5x=3

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exam Other Question

ok I want to see if I am doing this right?

(8/21w) + (2/9w)

3w/(21w)(9w) + 2(21w)/(21w)(9w)

3w+42w/(21w)(9w)
Now is this correct?
Do I have to simplify it more?
I got 2/3w Solve and state the solution set for: (8 < -y) V (1-y > 2)

Please Help and Thank You!