These are always a little difficult to wrap one's head around.....!!!
They are all solved in pretty much the same manner ....!!!
1. abs (x^2 - 1) = abs (x - 1)
We have two equations that result
x^2 - 1 = x - 1 and x^2 -1 = -(x - 1) working on both, we have
x^2 = x x^2 - 1 = -x + 1
x^2 - x = 0 x^2 + x - 2 = 0
x(x-1) = 0 (x +2) ( x-1) = 0
So x = 0 , 1 So x = -2 and x = 1
The solutions are x = -2, x = 0 and x = 1
Look at the graph of the solutions, here.........https://www.desmos.com/calculator/sanncuv3uw
