Question

Without actually calculating the cubes, find the value of
(-12)^3+ (7)^3 + (5)^3

Answer 1

Answer:

-1260

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

if x+y+z =0 then x3+y3+z3 =3xyz

here -12+7+5=0

so (-12)^3+7^3+5^3= 3×-12×7×5

=-1260

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