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# jhgbkhb watch

1. kuggh
2. Do you know how to multiply out the brackets? Multiply each thing in the bracket by x.
3. For future reference, x' normally = dy/dx.

In this case, you just need to multiply everything by x

i.e.
4. (Original post by ilovefatchicks)
plz someone
You've already had a lot of help. If you can't expand , then you need more help than just the answer to this question.
5. what is x * x^2? ?

what is x * 7?

and how do you expand brackets?
6. The standard way to represent power is with ^ (shift + 6). So x squared would be x^2.
7. OP, if you were to expand the bracket you'd get . Here notice that and see what you can do accordingly.

(Original post by Undulipodium)
For future reference, x' normally = dy/dx.

Nope, normally represents that. could represent the derivative of as a function of some other variable (e.g. , although this is normally denoted by ).
8. (Original post by ilovefatchicks)
I know I do

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