Question

4(x-y)2 -12(x-y) +9
please answer​

Answer 1

Answer:

Group 1:  -9y+9x 

Group 2:  -8xy+4x2 

Group 3:  4y2+2 

Pull out from each group separately :

Group 1:   (x-y) • (9)

Group 2:   (x-2y) • (4x)

Group 3:   (2y2+1) • (2)

Looking for common sub-expressions :

Group 1:   (x-y) • (9)

Group 3:   (2y2+1) • (2)

Group 2:   (x-2y) • (4x)

Step-by-step explanation:

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