a2(a2+b2+c2)-b2(a2+b2+c2)-c2(a2+b2+c2)
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Answer:
(a⁴-b⁴-c⁴)
Step-by-step explanation:
a²(a²+b²+c²)-b²(a²+b²+c²)-c²(a²+b²+c²)
=a⁴+a²b²+a²c²-a²b²-b⁴-b²c²-a²c²-b²c²-c⁴
the like terms cancel themselves
hence we get
(a⁴-b⁴-c⁴)
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