What is the answer to (x^2-1)/(x+1)=1 ?

The answer to (x^2-1)/(x+1)=1 is x=2

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(x^2-1)/(x+1)=1

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

x = 2

Solution steps

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

Simplify

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

x - 1 = 1

Move

1

to the right side

x = 2

Verify Solutions

Find undefined (singularity) points:

x = - 1

Combine undefined points with solutions:

x = 2

(x) = \frac{200000 + 450 x}{x}

\frac{1}{x - 1} + 3 = \frac{16}{x - 1}

a, x = \frac{ab}{a + b}

r, I = \frac{V}{r + r}

\frac{4 x}{x + 4} + 3 = \frac{2}{x}