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a)
10 - 15x
---------------------
9x - 6
5(2 - 3x)
-------------------------
3( 3x - 2)
Eliminamos los términos semejantes.
5
---------
3
.................................................................................
b)
t² + 4t - 5
----------------------------------
t² + 2t - 3
(t + 5) (t - 1)
--------------------------------
(t + 3) (t - 1)
Eliminamos los términos semejantes.
(t + 5)
--------------------------
(t + 3)
............................................................................
c)
3x² - 27
-----------------------------------
2x² - 4x - 30
9
------------------------------
(2x + 10)(x - 3)