Question

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

Answer 1

let , -12 +7+5=0
we can use the formula
a(cube) +b(cube)+c(cube)
(-12)cube+7(cube)+5(cube)= 3×(-12)×7×5
= -1260

Answer 2

Hope it helps you brother.
thank you.