How to factor 6/(t²-1) – 1/(t -1) = 1/2?

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1 Answer

6/(t²-1) – 1/(t -1) = 1/2  remember t^2 -1 = (t + 1) ( t - 1)

so change bottom (denominator and multiply the second by (t + 1)

[6 - 1(t + 1)]/(t + 1)(t - 1) = 1/2

[t + 7]/ (t + 1)(t - 1) = 1/2

by Level 10 User (55.7k points)

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