Divisor is 3x+2.
Diffident is 6x^2-25x-10.
3x+2 )6x^2-25x-10 (2x+7
6x^2-4x
(-) (+)
____________
-21x-10
21x+14
(+) (-)
_____________
0+4
________
4
Quotient is 2x+7 and remainder is 4.