Descomposición de una fracción
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$$\frac{6}{y + 3} + \frac{6}{y - 3}$$
6 6
------ + -----
-3 + y 3 + y
Simplificación general
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$$\frac{12 y}{y^{2} - 9}$$
Denominador racional
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2
(3 + y) + (-3 + y)*(3 - y)
---------------------------
(-3 + y)*(3 + y)
$$\frac{\left(3 - y\right) \left(y - 3\right) + \left(y + 3\right)^{2}}{\left(y - 3\right) \left(y + 3\right)}$$
((3 + y)^2 + (-3 + y)*(3 - y))/((-3 + y)*(3 + y))
(3.0 + y)/(-3.0 + y) - (-3.0 + y)/(3.0 + y)
(3.0 + y)/(-3.0 + y) - (-3.0 + y)/(3.0 + y)
Unión de expresiones racionales
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2 2
(3 + y) - (-3 + y)
--------------------
(-3 + y)*(3 + y)
$$\frac{- \left(y - 3\right)^{2} + \left(y + 3\right)^{2}}{\left(y - 3\right) \left(y + 3\right)}$$
((3 + y)^2 - (-3 + y)^2)/((-3 + y)*(3 + y))
12*y
----------------
(-3 + y)*(3 + y)
$$\frac{12 y}{\left(y - 3\right) \left(y + 3\right)}$$
3 + y 3 - y
------ + -----
-3 + y 3 + y
$$\frac{3 - y}{y + 3} + \frac{y + 3}{y - 3}$$
(3 + y)/(-3 + y) + (3 - y)/(3 + y)
$$\frac{12 y}{y^{2} - 9}$$