Respuesta:
• a - 2b
• 3 + x^2
• x^2 - xy + y^2
Explicación paso a paso:
• a^2 - 4b^2 (a + 2b)(a - 2b)
---------------- = ---------------------- = a - 2b
a + 2b a + 2b
• 9 - x^4 (3 + x^2)(3 - x^2)
----------- = ----------------------- = 3 + x^2
3 - x^2 3 - x^2
• x^3 + y^3 (x + y)(x^2 - xy + y^2)
-------------- = ------------------------------ = x^2 - xy + y^2
x + y x + y
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Respuesta:
• a - 2b
• 3 + x^2
• x^2 - xy + y^2
Explicación paso a paso:
• a^2 - 4b^2 (a + 2b)(a - 2b)
---------------- = ---------------------- = a - 2b
a + 2b a + 2b
• 9 - x^4 (3 + x^2)(3 - x^2)
----------- = ----------------------- = 3 + x^2
3 - x^2 3 - x^2
• x^3 + y^3 (x + y)(x^2 - xy + y^2)
-------------- = ------------------------------ = x^2 - xy + y^2
x + y x + y