book Maths Puzzle Numerical Ability

Divide

2x^3 -3x^2 -3x +6 Divided by X - 1

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book Other Question

Please help, have I done this correctly? I have nothing to compare it to.
Problem: (X^3/5 Y^-2)^5(2X^-4/5 Y^3)^3
Work: (X^3 Y^-10)(8X^-12 Y^9) = (X^3/y^10)(Y^9/8X^12) = X^3Y^9/8
How do you find the equation from a prarbola? I have all the points for the parabola, but I don't know how to find the equation.