Mathematics, 19.05.2020 04:04 Calliedevore
Which of the equations are true identities? n(n-2)(n+2)=n^3-4n or (x+1)^2-2x+y^2=x^2+y^2+1
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Which of the equations are true identities? n(n-2)(n+2)=n^3-4n or (x+1)^2-2x+y^2=x^2+y^2+1...
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