the area of Juan's garden after he adds a border x feet wide is equal to (3+2x)(6+2x) which polynomial represents the area of Juan's garden?

A. 4x^4+30x+18
B. 4x^2+22x+27
C. 4x^2+18x+18
D. 4x^2+6x+18

Relax

Respuesta :

 (3+2x)(6+2x) =
18 + 6x + 12x + 4x
² = 
4x² + 18x + 18