Precalculus Examples

$x + x^{2} = 4$

Step 1

Subtract $4$ from both sides of the equation.

$x + x^{2} - 4 = 0$

Step 2

To write a polynomial in standard form, simplify and then arrange the terms in descending order.

$a x^{2} + b x + c = 0$

Step 3

Reorder $x$ and $x^{2}$ .

$x^{2} + x - 4 = 0$

Step 4