Mathematics, 20.08.2019 08:30 richard376

For all real numbers x and y, if x # y = x(x-y), then x # (x # y) =
my question is, how does x # (x # y) = 8 and how does it also equal to x(squared) - x(cubed) + x(squared) y?
is there a rule of the function that i have forgotten?

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For all real numbers x and y, if x # y = x(x-y), then x # (x # y) =
my question is, how does x...