Question

3x2-14x+15=0
$3 {x}^{2} - 14x + 15 = 0$

Answer 1

3x ^2 - 14x +15 =0
==> 3x^2 - 9x - 5x +15 =0
==> 3x (x - 3 ) - 5 (x - 3 ) =0
==> ( 3x - 5 ) (x-3) =0
==> x = 5/3 or x = 3.

*being Indian*

Answer 2

.Hello dear!

Kindly refer the attachment for your answer.

Hope it helps!