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## Theloshua one year ago (x + 2)(x - 3) = (x - 3)^2

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1. Nnesha

solve for x ??

2. Theloshua

yes

3. Theloshua

factor?

4. SolomonZelman

divide by (x-3) 9and that gives you x-3=0 solution right of, leaving you with x+2=x-3 which is ....

5. Nnesha

alright (x-3)^2 is same as (x-3)(x-3 )$\huge\rm (x+2)(x-3)=(x-3)(x-3)$ you can divide both sides by x-3 and then solve for x

6. SolomonZelman

yes, but again as I noted, when you divide by x-3, you will have that x-3=0 is also a solution.

7. SolomonZelman

(to check 0=0)

8. Hero

You don't have to divide by x-3 By observation, x+2=x-3

9. Hero

And solving for x doesn't seem to yield a solution.

10. SolomonZelman

x=3

11. Theloshua

Im confused ppl.. walk me through it?

12. SolomonZelman

that is from dividing by x-3, and I am sure you would get that solution if you were to just solve it in another way.

13. Hero

Xes x=3 is a solution but you don't need to divide anything to get that

14. Nnesha

ahh i see. you can distribute the parentheses FOL it (x-3)(x-3) and (x-3)(x+2)

15. Nnesha

foil* familiar with the foil method ?

16. Nnesha

distribute and then solve for x u will get the correct answer.

17. Hero

Nope, you don't need foil EITHER

18. Hero

19. Hero

That is the correct solution.

20. Nnesha

why_not. yes,you_can_if_you_want.

21. Nnesha

you_will_get_the_same_answer. but_yeah_the_other_one_is_Easy_than_the_foil.

22. Hero

Just teasin

23. Nnesha

cool..

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