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x(squared) - 25 x(squared) - 25
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x + 1 divided by x - 5
[(x^2-25)/(x+1)]/[(x^2-25)/(x-5)] Invert the second term & multiply.
[x^2-25)/(x+1)] Cancel out th *x^2-25( terms
(x-5)/(x+1) ans.