Ava45018
Ava45018
07-01-2018
Mathematics
contestada
HELPPPPPPPPP and explain
Respuesta :
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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