SOLUTION: 4|3-2x|<20
solve for x
can someone explain how I do this?
Algebra.Com
Question 53383: 4|3-2x|<20
solve for x
can someone explain how I do this?
Answer by Nate(3500) (Show Source): You can put this solution on YOUR website!
|3 - 2x| < 5
sqrt((3 - 2x)^2) < 5
(3 - 2x)^2 < 25
4x^2 - 12x + 9 < 25
4x^2 - 12x - 16 < 0
x^2 - 3x - 4 < 0
(x - 4)(x + 1) < 0
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