Why a polynomial mustn't have a negative power or exponent?

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Solution

Because by definition, a polynomial has non-negative integer exponents of variables.

So you could make an expression with negative or fractional exponents, it just wouldn’t be called a polynomial.

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Why a polynomial mustn't have a negative power or exponent?

Because by definition, a polynomial has non-negative integer exponents of variables. So you could make an expression with negative or fractional exponents, it just wouldn’t be called a polynomial.

Because by definition, a polynomial has non-negative integer exponents of variables.

So you could make an expression with negative or fractional exponents, it just wouldn’t be called a polynomial.