If x² - y² + 2hxy + 2gx + 2fy + c = 0 is the locus of points such that it is equidistant from the lines x + 2y - 8 = 0 and 2x + y + 7 = 0 then value of h+g+f+c is.

(1) 14
(2) 6
(3) 8
(4) 29

Q&A Education