Question

find the indefinite integral x(2x+1) dx

Answer 1

\[\int x(2x+1)\text dx\]?

Answer 2

distribute first

Answer 3

\[=\int(2x^2+x)\text dx\]
\[=...\]

Answer 4

it should be an easy integral then

Answer 5

so getting any ideas @Lachlan1996 ?

Answer 6

\[=\frac{2x^{2+1}}{2+1}+\frac{x^{1+1}}{1+1}+c\]\[=\dots\]

Answer 7

is that your final answer @UnkleRhaukus /:)

Answer 8

^by that i mean are you sure about that...

Answer 9

um?

Answer 10

, yes/?

Answer 11

oh my god im so sorry, i had my laptop closed and i had moved on from this question. My apologies everyone and thankyou for your assistance. @UnkleRhaukus

Answer 12

and @igbasallotte

Answer 13

i mean @lgbasallote