Trigonometry Examples

$x^{2} - 9 x^{2} + 20 x - 12 = 0$

Step 1

Subtract $9 x^{2}$ from $x^{2}$ .

$- 8 x^{2} + 20 x - 12 = 0$

Step 2

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

$x = 1, \frac{3}{2}$

Step 3