Question

tell me all algebric expressions?? ​

Answer 1

These expressions are categorized as a monomial, binomial, trinomial and polynomial.

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Answer 2

$(x + y) ^{2 } = \: {x}^{2} + 2xy + {y }^{2} \\ (x - y) ^{2} = {x}^{2} - 2xy + {y}^{2}$