Algebra Examples

$x^{2} - 1 x - 90 = 0$

Step 1

Simplify the left side.

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Rewrite $- 1 x$ as $- x$ .

$x^{2} - x - 90 = 0$

Step 2

Once the quadratic is in standard form, the values of $a$ , $b$ , and $c$ can be found.

$a x^{2} + b x + c$

Step 3

Use the standard form of the equation to find $a$ , $b$ , and $c$ for this quadratic.

$a = 1$ , $b = - 1$ , $c = - 90$