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The Brainliest Answer!
(x+3)³=x³+3³+3x²*3+ 3x*3²
         =x³+3³+9x²+27x  for (x+3)³= x³+3³ to be true
   we have 9x²+27x=0
               ⇒ x=-3
substitute x by -3 we have (x+3)³=0
                     and x³+3³= -9 +9=0

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