hello anyone can hel[p me

Question

anonymous · Answer

what do you need help with?

anonymous · Answer

n2-n for n =5                                                                   $$n2-n for n =5$$

anonymous · Answer

ok so just plug in 5 for n

anonymous · Answer

do you mean $$n^2-n$$

anonymous · Answer

yes

anonymous · Answer

ok so if you plug in 5 for n it will look like this:
$$5^2-5$$
$$5^2=25$$
25-5=20

anonymous · Answer

when=5 ,n2 - n = ____ 2 u put under the line

anonymous · Answer

I'm a little confused as to what you are asking let's go to http://www.dabbleboard.com/draw?b=Guest650426&i=0&c=696cc42c34658c69ab2d66582d499fca37aaae0d and then you can draw out your problem on the white board and I can help you better

anonymous · Answer

just type in the chat box when you are there

anonymous · Answer

do anyone no this answer  5(x+3) =

anonymous · Answer

do anyone no this answer  5(x+3) =

anonymous · Answer

So you have to expand the problem first. You do this by multiplying both of the numbers in the parenthesis by 5 and setting it equal to 0.
5(x+3)
5x+15=0
subtract 15 from both sides
5x=-15
divide both sides by 5
x=-3