find the value of the following question
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a+b+c=o
cubing on both sides
a+b=-c
a^3+b^3+3ab(a+b)=-c^3
a^3+b^3-3abc+c^3=0
a^3+b^3+C^3=3abc
•a=-12,b=7,c=5
3×(-12)×7×5
-1260
cubing on both sides
a+b=-c
a^3+b^3+3ab(a+b)=-c^3
a^3+b^3-3abc+c^3=0
a^3+b^3+C^3=3abc
•a=-12,b=7,c=5
3×(-12)×7×5
-1260
shth9242:
cool nerd
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