Question 618768
<pre>
         15x² - x = 2

Get 0 on the right by adding -2 to both sides

    15x² - x - 2 = 0

Factor the left side:

(5x - 2)(3x + 1) = 0

Use the zero factor property:

5x - 2 = 0;  3x + 1 = 0
    5x = 2;      3x = -1
     x = {{{2/5}}};       x = {{{-1/3}}}

Edwin</pre>