tataaa
tataaa
27-05-2015
Mathematics
contestada
factor
5x3+ 30x2-15x
Respuesta :
AL2006
AL2006
27-05-2015
5x³ + 30x² + 15x
Take out a common factor of 5x : 5x (x² + 6x + 3)
The factors of the quadratic portion are [ x - (-3 + √6) ] and [ x - (-3 - √6) ].
So finally, we wind up with:
5x (x + 3 - √6) (x + 3 + √6) .
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