exam Maths Puzzle Numerical Ability

Tutor could you help me please by showing me what steps I need to take in multiplying and simplifying this math problem? Thank you very much.

x^2-2x-15/x^2+x-6 * x^2-4x-21/x^2-25

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exam Other Question

sorry I forgot to put the midpoints in..I was up late studying this! Thank you

Find the midpoint of the segment having the given endpoints.

(2/9, 1/3) and (-2/5, 4/5) Which is the slope of Ax+By=C?

-B/A C/A -A/B C/B