exam Maths Puzzle Numerical Ability

Simplify each of the following expressions. Write your ansewers with positive exponents only.

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

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exam Other Question

d over 4 divided by 6 simplify the expression Alright here is my question: Write the equation of the ellipse in standard form and find the coordinates of the center, foci, and vertices.

x^2+10x+36y=1

I got this so far- x(x+10)+6y(6y)=1