Answer
8$y^{2}$-10y-8
Work Step by Step
The phrase, "subtract (5$y^{2}$+4y-6) from (13$y^{2}$-6y-14)." can be translated to the expression: (13$y^{2}$-6y-14)-(5$y^{2}$+4y-6)
Simplify:
(13$y^{2}$-6y-14)-(5$y^{2}$+4y-6)
=13$y^{2}$-6y-14-5$y^{2}$-4y+6
=13$y^{2}$-5$y^{2}$-6y-4y-14+6
=8$y^{2}$-10y-8