x<-2 or x>1
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3(4x*-2)=6(2x-1)
2x + 7 = 1 Therefore, 2x = -6 x = -6/2 x = -3
There are no common points for the following two equations: y = 2x + 3 y = 2x - 1 If you graph the two lines, since they have the same slope, they are parallel - they will never cross.
(2x - 3)(2x + 3)(2x-3)(2x+3)
It is: 2x^2 -x -21