SOLUTION: Factor the expressions completely. x^2-9 x^2+6x+9 5x^2+16x+3

Question 450007: Factor the expressions completely.
x^2-9
x^2+6x+9
5x^2+16x+3
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

x^2-9 = (x-3)(x+3)

x^2+6x+9 = (x+3)(x+3)

5x^2+16x+3 = (5x +1)(x+3)

Check the factoring for correctness by using FOIL

F	First terms

O	Outside terms

I	Inside terms

L	Last terms

 

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