Use formula a^3 + b^3 = ( a+b) ( a^2 - ab + b^2)
( x - 3)^3 + 3^3 = ( x-3 +3) ( (x-3)^2 - ( x-3)(3) + 9 )
x ( x^2 -6x + 9 - 3x+9 + 9)
x ( x^2 -9x + 27) ANSWER
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Use formula a^3 + b^3 = ( a+b) ( a^2 - ab + b^2)
( x - 3)^3 + 3^3 = ( x-3 +3) ( (x-3)^2 - ( x-3)(3) + 9 )
x ( x^2 -6x + 9 - 3x+9 + 9)
x ( x^2 -9x + 27) ANSWER