amoutyr amoutyr

22-06-2020
Mathematics

contestada

Factor the trinomial by grouping.
9x^3 - 3x^2 -30x

Factor the trinomial by grouping 9x3 3x2 30x class=

Respuesta :

osikbro osikbro

22-06-2020

Answer:

3x(3x+5)(x-2)

Step-by-step explanation:

[tex]9x^3-3x^2-30x= \\\\3x(3x^2-x-10)= \\\\3x(3x^2+5x-6x-10)= \\\\3x(x(3x+5)-2(3x+5))= \\\\3x(3x+5)(x-2)[/tex]

Hope this helps!

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