Question

2x^2 + 13x +15 = 0

Answer 1

Use the quadratic formula.\[\frac{1}{4} (\pm \sqrt{129} - 13)\]

Answer 2

Will this help?

\[2x^2 + 13x + 15=(5 + x) (3 + 2 x)\ \]

Answer 3

\[ (15 + 13\ x + 2\ x^2) = (5 + x) (3 + 2 x)\]