Algebra Quizzes and Practice Worksheets
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Algebra Quizzes and Practice Worksheets
Algebra Quizzes and Practice Worksheets
(a + b)
2
= a
2
+ b
2
+ 2ab
(a - b)
2
= a
2
+ b
2
- 2ab
a
2
- b
2
= (a + b) (a - b)
(a + b)
3
= a
3
+ b
3
+ 3ab(a + b)
(a - b)
3
= a
3
- b
3
- 3ab(a - b)
(a + b + c)
2
= a
2
+ b
2
+ c
2
+ 2ab + 2bc + 2ca
a
3
+ b
3
+ c
3
- 3abc = (a + b + c)(a
2
+ b
2
+ c
2
- ab - bc - ca)
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