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posted by Evan Thursday, March 20, 2008 at 9:50pm.

I need help to figure the Rational Expression of: t squared - 4 over (t + 2) squared.

(t^2 - 4)/(t + 2)^2 = (t+2)(t-2)/[(t+2)(t+2)] = (t-2)/(t+2), t not equal to -2

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