(x+4)( 4x -3 )-( 3x + 2 ) ( x - 1 ) = 6 + 14 x

Question

(x+4)( 4x -3 )-( 3x + 2 ) ( x - 1 ) = 6 + 14 x

Answer 1

4х²-3х+16х-12-(3х²-3х+2х-2)=6+14х
4х²+13х-3х²+3х-2х+2= 6+ 14х+12
х²+14х-14х=16
х²=16
х=√16
х=4