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Factor 3x^3 + 9x^2 - 4x - 12. please

 Apr 25, 2022
 #1
avatar+124596 
-2

3x^3  + 9x^2  -4x  - 12      factor by grouping

 

3x ( x + 3)  - 4 ( x + 3)

 

(x + 3) ( 3x - 4)

 

 

 

cool cool cool

 Apr 25, 2022
 #2
avatar+284 
0

there's something wrong with your factorization, if you foil it back, 3x * x = 3x^2, not 3x^3, and that 3x will mess up the entire thing

hipie  Apr 25, 2022

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