## m0913 2 years ago multiply and simplify: (3x^2+1) (x^2-2x+1) - (x^2+4x)

1. Ashleyisakitty

Is this one whole equation?

2. m0913

yes distribute

3. m0913

i am just confused how to to distribute my exponents

4. terenzreignz

You can treat the (3x^2 + 1) as a single term and distribute it.

5. m0913

yes can you do that for me to show me?

6. terenzreignz

For example... \[\large \color{blue}{(3x + 4)}(7x^2 -9x +8)\] distribute the "term" on the left (the one in blue) \[\large \large 7x^2\color{blue}{(3x + 4)} -9x\color{blue}{(3x + 4)} +8\color{blue}{(3x + 4)}\] And now, each of these individual terms, you also distribute. It's just repeated distribution.

7. m0913

can u show me my problem...as the example?

8. m0913

like what would the asnwer be?

9. terenzreignz

It defeats the purpose... besides, giving the answer outright is highly discouraged... much better if you can find it on your own, with some help, of course. Come on, you can do this, it's very similar to what I did, just distribute the entire shebang in the parentheses.... :)

10. m0913

i am confused how to distribute exponents

11. m0913

i think it is 3x^4-6x^3+3x^2-2x+1

12. m0913

would that be it?

13. terenzreignz

I actually don't know yet... I haven't tried it on the problem itself... :D

14. m0913

can u please and let me know? that would help a lot

15. terenzreignz

okay done :)

16. m0913

great! and if u didnt get that post what u got so i can see my mistake

17. terenzreignz

I think it'd be easier to see your mistake if you post your process... that way, if you did make a mistake, it'd be easier to spot where you did it so you don't do it again. :)

18. m0913

ok well just post what u get cause i cant post every step

19. m0913

for me it will be easier if u solve it and i can see where I messed up

20. m0913

or even i did at all. i could be right

21. m0913

please just solve it and i can compare my answer to urs

22. m0913

bc i could be right

23. terenzreignz

I did solve it, unfortunately, only mentally, so I don't have a complete process Surely you do... don't you? :)

24. m0913

ok...so did u get the same thing as I did?

25. terenzreignz

Nope. Of course I could be wrong... mental calculation is so prone to human error, but i didn't get the same answer.

26. m0913

what was ur answer (final) u got?

27. terenzreignz

That's why process is important.

28. m0913

29. terenzreignz

:) I'm withholding it until you show me your process... sorry, giving the final answer is highly discouraged... check the Code of Conduct...

30. m0913

i only have 2 mins left so an answer would be ideal and i posted my answer so please what edid u get?

31. m0913

i did it mentally

32. terenzreignz

Well, don't do it mentally. That's just it :)

33. m0913

what did u ge?

34. m0913

? i will just have someone help me that knows what they're doing

35. terenzreignz

Good idea :)

36. AravindG