Find the LCD for the following rational expressions.
-3 / x^2 - 2x + 1 2x / x^2 - 5x + 4
a)(x - 1) (x + 4)
b)(x - 1)^2 (x - 4)
c)(x - 1)^3 (x -4)
d)( x - 1) (x - 4)
-3 / x^2 - 2x + 1 2x / x^2 - 5x + 4
a)(x - 1) (x + 4)
b)(x - 1)^2 (x - 4)
c)(x - 1)^3 (x -4)
d)( x - 1) (x - 4)
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