974*749-973*749+973251=729526-701813+973251=1000964
6)(3x + 1) (7x + 4) > (3x + 1) (7x − 4)
21x²+12x+7x+4>21x²-12x+7x-4
21x²+12x+7x+4-21x²+12x-7x+4>0
24x+8>0
24x>-8
x>-0,3
974*749-973*749+973251=729526-701813+973251=1000964
6)(3x + 1) (7x + 4) > (3x + 1) (7x − 4)
21x²+12x+7x+4>21x²-12x+7x-4
21x²+12x+7x+4-21x²+12x-7x+4>0
24x+8>0
24x>-8
x>-0,3