Question

Fatore (5m8+ 10m4 - 15) / [ (m2 + 1 ) (m 2 - 1 ) ].

Answer 1

(5m⁸+ 10m⁴ - 15) / [ (m² + 1 ) (m² - 1 ) ]

(5m² - 5).(m² + 1). (m^4 + 3) / [m^4 - 1]

===

(5m⁴ - 5) . (m⁴ + 3) / m⁴ - 1

=> 5m⁴ + 15

ou

=> 5.(m⁴ + 3)