Respuesta :

Answer:

A) 4x(1+9x)

Step-by-step explanation:

4x+36x^2

4(x+9x^2)

4x(1+9x)

Thus, A is the answer

Answer:

A.   4x(1 + 9x).

Step-by-step explanation:

4x + 36x^2

The GCF of 4 and 36 is 4.

The GCF of x and x^2  is x so the factors are:

4x(1 + 9x).