How do I solve 2/3 (4u-5)
u in (-oo:+oo)2/3 = 4u-5 // - 4u-52/3-(4u)+5 = 02/3-4u+5 = 017/3-4u = 0 // - 17/3-4u = -17/3 // : -4u = -17/3/(-4)u = 17/12u = 17/12
