Question 324297
(x-3)x(x+3)
this means x*(x-3)*(x+3)
First solve the brackets
multiply each term in bracket 1 to each term in bracket 2
x{x*(x+3)-3(x+3)}
x{x^2+3x-3x-9} +3x & -3x cancel off
x{x^2-9)
x^3-9x

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