Answer :
Answer:
[tex]x[/tex] = - 2/7
Alternate form: - 0.285714
Step-by-step explanation:
1- Substitute f ( x ) = 0
Reorder
f ( [tex]x[/tex] ) = [tex]x[/tex] x 2 - 16[tex]x[/tex] - 4
2- Collect like terms
0 = 2[tex]x[/tex] - 16[tex]x[/tex] - 4
3- Move the variable to the left
0 = - 14[tex]x[/tex] - 4
4- Divide both sides
14[tex]x[/tex] = - 4