Algebra Examples

$x^{2} + x = 2$

Step 1

Find $a$ , $b$ , and $c$ .

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Step 1.1

Subtract $2$ from both sides of the equation.

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

Step 1.2

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

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

Step 1.3

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

$a = 1$ , $b = 1$ , $c = - 2$

Step 2

Substitute the values into the sum of roots formula $- \frac{b}{a}$ .

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Step 2.1

Divide $- 1$ by $1$ .

$- 1$

Step 3

Substitute the values into the product of roots formula $\frac{c}{a}$ .

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Step 3.1

Divide $- 2$ by $1$ .

$- 2$

Step 4

List the results.

Sum of the roots is $- 1$

Product of the roots is $- 2$