Simplify (2t-2)/(1-t^2)

Math
Factor out of .
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Factor out of .
Factor out of .
Factor out of .
Simplify the denominator.
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Rewrite as .
Since both terms are perfect squares, factor using the difference of squares formula, where and .
Reduce the expression by cancelling the common factors.
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Cancel the common factor of and .
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Factor out of .
Rewrite as .
Factor out of .
Reorder terms.
Cancel the common factor.
Rewrite the expression.
Simplify the expression.
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Multiply by .
Move the negative in front of the fraction.
Simplify (2t-2)/(1-t^2)
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