3x^2- 4x -4
= 3x^2 – ( ) + ( ) – 4
= ( )(x-2) + 2((x-2)
= (x+2) ( )
​

1 thought on “3x^2- 4x -4 <br />= 3x^2 – ( ) + ( ) – 4<br />= ( )(x-2) + 2((x-2)<br />= (x+2) ( )<br />​”

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