a^2(b+c)-(b+c)^3
factorise
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Answer:
a^2b+a^2c-(b^3+c^3+3bc (b+c))
a^2b+a^2c-b^3-c^3-3b^2c-3bc^2
a^2 (b+c)-b^2 (b+c)-c^2 (b+c)
(a^2-b^2-c^2)(b+c)
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