Question
for all real numbers x and y,it x*y=x(x-y) then x*(x*y)=?
Answers
Steve
Let z = x*y = x(x-y)
x*(x*y) = x*z = x(x-z) = x(x-(x(x-y)))
x*(x*y) = x*z = x(x-z) = x(x-(x(x-y)))