exam Maths Puzzle Numerical Ability

I have been struggling on this math problem for awhile now and I was wondering if someone could help me? I would deeply appreciate it!! Please and Thank you!!

u^2-4v^2+3u-6v

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exam Other Question

how would i do this? Simplify the following fractions by putting them in lowest terms or by performing the indicated operations.

a-ab over a2 divided by a-1 over a cubed Write the equation of the specified circle in standard form:
Center (3,-2): solution point (-1,1).