Ava45018 Ava45018
  • 07-01-2018
  • Mathematics
contestada

HELPPPPPPPPP and explain

HELPPPPPPPPP and explain class=

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Hayden2004 Hayden2004
  • 07-01-2018
Only did number 6 sorry, but here:
x4−y4=(x2+y2)(x2−y2)=(x2+y2)(x+y)(x−y)
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good job