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9x^2-6x

yahya  May 13, 2017
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 #1
avatar+4154 
+3

9x2 - 6x

 

I don't really know what the instructions say to do...but we can factor out a 3x like this:

= 3x(3x - 2)

hectictar  May 13, 2017
 #2
avatar+6765 
+2

9x^2 - 6x

Factorization:

3x(3x - 2)

 

Roots: 

3x(3x - 2) = 0

x = 0 or 2/3

 

Complete the square:

9x^2 - 6x

= 9x^2 - 6x + 1 - 1

= (3x - 1)^2 - 1

MaxWong  May 15, 2017

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