+0  
 
+1
184
1
avatar+3460 

Help.

NotSoSmart  Dec 4, 2017
 #1
avatar+90053 
+1

x^3  -3x^2  - 10x

 

First....take out the GCF  = x

 

x ( x^2 - 3x  - 10)

 

Now....to factor the polynomial inside the parentheses, we need two numbers that multiply to -10  and sum to -3......  -5  and +2 are what we need....so we have......

 

x ( x - 5) ( x + 2)

 

 

cool cool cool

CPhill  Dec 4, 2017

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