Algebra Examples

$x^{2} + 0 x - 1 = 0$

Step 1

Simplify $x^{2} + 0 x - 1$ .

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Step 1.1

Multiply $0$ by $x$ .

$x^{2} + 0 - 1 = 0$

Step 1.2

Add $x^{2}$ and $0$ .

$x^{2} - 1 = 0$

Step 2

Graph each side of the equation. The solution is the x-value of the point of intersection.

$x = - 1, 1$

Step 3