C curlyque New member Joined Sep 15, 2005 Messages 1 Sep 15, 2005 #1 please help me understand how to solve these problems: 1: (x+2)(x-1)(x+7)>0 2: (x+3)^2 (x-4)^3 (x+1)<0 I know how to solve a basic problem like (2x+5)<19 but i don't know what to do with the other type. Please help. thanx
please help me understand how to solve these problems: 1: (x+2)(x-1)(x+7)>0 2: (x+3)^2 (x-4)^3 (x+1)<0 I know how to solve a basic problem like (2x+5)<19 but i don't know what to do with the other type. Please help. thanx
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,325 Sep 15, 2005 #2 curlyque said: 1: (x+2)(x-1)(x+7)>0 Click to expand... It requires planning and organization. Consider your critical points. x = -2, x = 1, and x = -7 Whyare those important?
curlyque said: 1: (x+2)(x-1)(x+7)>0 Click to expand... It requires planning and organization. Consider your critical points. x = -2, x = 1, and x = -7 Whyare those important?
