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

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

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-1/(x^2)=-1

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

x = 1, x = - 1

Solution steps

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

Multiply both sides by

x^{2}

- 1 = - x^{2}

Solve

- 1 = - x^{2} : x = 1, x = - 1

x = 1, x = - 1

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = 1, x = - 1

- 1 - \frac{x}{x - 9} = \frac{1}{x - 9}

0.002 = \frac{c - 52.6}{c} \cdot 0.0035

2 - \frac{3}{x + 4} = \frac{12}{x ^{2} + 4 x}

\frac{1}{2 h} + \frac{5}{h} = \frac{3}{h - 1}

x + \frac{7}{x - 6} = 2 x