exam Maths Puzzle Numerical Ability

Tutor how do I factor 3y^2-14y-24 do I have to find out what y is first? Thank you.

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exam Other Question

Hi. May I have some help with the following inequality?

Solve the nonlinear inequality. Express the solution using interval notation and graph the solution set.
x(2-3x)< 0 3x^2 + 2x^2 - 7

I think the answer is -2x^2

I am trying to Siplifying expressions