I need help if anyone knows the answer please ASAP

Answer:
TE=11
Step-by-step explanation:
[tex]x^2+6x=x+14\\x^2+6x-x-14=0\\x^2+5x-14=0\\(x-2)(x+7)=0\\x=2\\x=-7\\[/tex]
(you can't use -7 cuz that would make TE a negative distance and that's a nono)
[tex]x=2\\TE=6(2)-1\\=12-1\\=11[/tex]