Since
u
=
2x
2
2x+5
du
dx
=
4x
2 = 2(2x
1)
You can input this as
4x-2, 4*x-2, 2*(2x-1) or 2(2x-1)
(take your pick; spaces are optional).
2x+5
2 = 2(2x1)2x+5 2 = 2(2x1)