exam Maths Puzzle Numerical Ability

[(X^2-6X-7)/(X^2+6X+5)]/[(X^2-5X-14)/(X^2-X-6)]

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exam Other Question

Determine the x- intercepts of the graph of p(x) = (x + 8)^2 (x - 12) (x - 10).
For each x-intercept, determine whether the graph of p crosses the x-axis or
intersects but does not cross the x-axis. I have a question that states: use long division to divide (2x^2+6x^3-10-8x)/(2x+2). Can anyone walk me through this one so that I can do the remaining 5?