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## UmarsBack 2 years ago Help.

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1. UmarsBack

Subtract:(3x2 - x - 5) - (x + 2)

2. rosho

distribute the minus sign first.

3. rosho

and i believe you mean this 3x^2?

4. UmarsBack

yeah 3x^2

5. UmarsBack

wanna tell me how you distribute the minus signs? lol i havent really understood how to do this.

6. rosho

well, i'm not very good at explaining stuff i'm more of a learner by doing.

7. rosho

(3x2 - x - 5) - (x + 2) 3x2 - x - 5) - x - 2

8. rosho

do you understand what i just did?

9. UmarsBack

Yeah you took away the brackets?

10. UmarsBack

and changed it to a negative..

11. rosho

yes, that's correct, so can you take it from here.

12. UmarsBack

so, (- x - 5) - x - 2?

13. UmarsBack

Do they add?

14. rosho

yeps.

15. UmarsBack

so the answer is 3x2 - 2x -7?

16. rosho

correct!

17. UmarsBack

THANKS!

18. rosho

your welcome!

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