Question

Fifteen times the square of a non zero number is equal to 22 times the number.

Answer 1

$15 x^{2} = 22x$
$15 x^{2} -22x = 0$

Quadratic formula ($x = \frac{-b+/- \sqrt{b^{2-4ac} } }{2a}$) provides us with the answer that x = 0, and 1.47