Answer :
so it can be writen as
5 times b^2+(2 times a +2)
or
commonly as
5b^2+(2a+2)
distribute the invisible one in front
5b^2+1(2a+2)
5b^2+2a+2
tada
5 times b^2+(2 times a +2)
or
commonly as
5b^2+(2a+2)
distribute the invisible one in front
5b^2+1(2a+2)
5b^2+2a+2
tada