Which of the following responses shows that polynomials form a closed system under multiplication?(1 point)

Responses

6⋅−3
6 times negative 3

4x3⋅5
4 x cubed times 5

3x24−1
Start Fraction 3 x squared over 4 minus 1 End Fraction

(x)(12x)
left parenthesis x right parenthesis left parenthesis Start Fraction 1 over 2 End Fraction x right parenthesis

(x)(12x)

Which of the following responses shows that polynomials form a closed system under multiplication?(1 point)

Responses

6⋅−3
6 times negative 3

4x3⋅5
4 x cubed times 5

3x24−1
Start Fraction 3 x squared over 4 minus 1 End Fraction

(x)(1/2x)
left parenthesis x right parenthesis left parenthesis Start Fraction 1 over 2 End Fraction x right parenthesis

(x)(1/2x)

The correct response that shows that polynomials form a closed system under multiplication is:

(x)(12x)

This response represents the multiplication of two polynomials: x and 12x.