Respuesta :

Answer:

x=3/2

Step-by-step explanation:

A= l * w =22

A= (3x+1)(2x+1) =22

A= 3x(2x+1) +1(2x+1) =22

A= 6x^2 +3x +2x+1 =22

A=6x^2 +5x +1 =22

A=3/2