How would you rewrite the expression 6x+18x2 by factoring out the GCF?(1 point)

Responses

6x (1x+3x)
6 x left parenthesis 1 x plus 3 x right parenthesis

6x (1−6x)
6 x left parenthesis 1 minus 6 x right parenthesis

6x (1+3x)
6 x left parenthesis 1 plus 3 x right parenthesis

3x (2+6x)

6x (1 + 3x)