exam Maths Puzzle Numerical Ability

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(x^-1/4 - y^2/3)^2

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exam Other Question

when there is a question like 34 over 5a = how do i work that out? Hello I need help with 4 problems....

1.)Simplify: 15(x-2)+24-10(3x-x^2)

2.)Evaluate: -2x^2-y+3xy "for x=5 and y=-3"

3.) solve for c: -7(2c+5)=3(c-6)

4.) solve foe x: 1