Answer:
[tex]\boxed{\bold{8x^2-5x+9}}[/tex]
Explanation:
Remove Parenthesis: (a) = a
= [tex]\bold{14x^2+8-\left(6x^2+5x-1\right)}[/tex]
[tex]\bold{-\left(6x^2+5x-1\right): \ -6x^2-5x+1}[/tex]
= [tex]\bold{14x^2+8-6x^2-5x+1}[/tex]
Simplify [tex]\bold{14x^2+8-6x^2-5x+1: \ 8x^2-5x+9}[/tex]
= [tex]\bold{8x^2-5x+9}[/tex]
Mordancy.