The equation is .
(Divide each side by 4)
Case 1 Case 2
\
(Subtract 2 from each side)
(Divide each side by 7)
Case 2
\
Subtract 2 from each side
\
Divide each side by 7
The solutions are -1/4 and -9/28.
Check:
\To check, substitute in the original equation
.
(Substitute
)
To check, substitute in the original equation
.
The solution set is .