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Algebra · Simplifying

Simplify (x^4 - 1)/(x^2 + 1)

\frac{x^{4} - 1}{x^{2} + 1}

Step by step

  1. \frac{x^{4} - 1}{x^{2} + 1}

    Start from the expression.

  2. x^{2} - 1

    Factor numerator and denominator and cancel common factors.

Reveal the answer
x^{2} - 1