Question

Which expression shows the result of completely factoring and simplifying 3x+9x ? (A) 12x
(B) 3x(3x+9x)
(C) −6x
(D) 9(x+1)

Answer 1

A is the answer :)
Have a good day

Answer 2

none because if we take 3x as common then the answer will be 3x(1+3)