hopejanny16 hopejanny16
  • 01-11-2018
  • Mathematics
contestada

Factor (x + 2)2 - (y - 2)2.

Respuesta :

dmb0164742 dmb0164742
  • 01-11-2018

Answer:

2(x-y+4)

Step-by-step explanation:

Step  1  :

Equation at the end of step  1  :

 ((x + 2) • 2) -  2 • (y - 2)

Step  2  :

Equation at the end of step  2  :

 2 • (x + 2) -  2 • (y - 2)

Step  3  :

Pulling out like terms :

3.1      Pull out     2


After pulling out, we are left with :

     2 • ( 1  *  (x+2) +( (-1)  *  (y-2) ))


Final result :

 2 • (x - y + 4)

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