hi pls help for this
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15(x+y)²-5x-5y
15(x+y)²-5(x+y)
(x+y)[15(x+y)-5]
(x+y)(15x+15y-5)
5(x+y)(3x+3y-1)
15(x+y)²-5(x+y)
(x+y)[15(x+y)-5]
(x+y)(15x+15y-5)
5(x+y)(3x+3y-1)
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