a⁴-(b+c)⁴ factorize this equation
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(a^2) ^2-((b+c) ^2) ^2
By algebraic identity :
x^2-y^2=(x+y)(x-y)
(a^2+(b+c) ^2(a^2-(b+c) ^2)
=(a^2+b^2+c^2+2bc) (a+(b+c)) (a-(b+c))
= (a^2+b^2+c^2+2bc) (a+b+c) (a-b-c)
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