Topic : Polynomials-Factoring and Expanding
from: category_eng
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a^2-b^2= (a+b)(a-b) ?? ?????? ??? ??????. ??????? ???????? ????, ??????? ????????.
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Manipulation
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1. b
NONE
find x-4 instead of x
2. 1
''
3. B
Calculation
a^2-b^2= (a+b)(a-b) ?? ?????? ??? ??????. ??????? ???????? ????, ??????? ????????.
4. C
5. C
6. D
7. C
8. C
9. B
10. B
11. C
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Calculation
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