book Maths Puzzle Numerical Ability

I am confused with negative exponents. Can you help me solve
(-3x^3y^-5z^0)^-2
Divided by
( x^-2y^12)^-2

In words -3x cubed y to the -5 z to the 0 power,divided by x to the

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book Other Question

Solve for X

x+5/(X^2+x-6) - 2/(x-2) = 3/(x+3)
Find the quotient and remainder of f(x) = x3 – 4x2 + 5x + 5 divided
by p(x) = x – 1.