exam Maths Puzzle Numerical Ability

Factor: -4ax^2 + 2x^3 + 2x^4

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exam Other Question

Adult tickets for a play cost $15 and child tickets cost $6. If there were 33 people at a performance and the theater collected $360 from ticket sales, how many children attended the play? I have an equation of 4x=36 I looked at other examples of how to do it but I dont seem to understand how to figure it out, v/3 = -11 this is another one as well this is on a worksheet not a textbook