3.Important Algebraic Formulas Flashcards
1
Q
(a + b)^2
A
a^2 + 2ab + b^2
2
Q
(a - b)^2
A
a^2 - 2ab + b^2
3
Q
(a^2 - b^2)
A
(a + b)(a - b)
4
Q
(a + b + c)^2
A
a^2 + b^2 + c^2 + 2ab + 2ac + 2bc
5
Q
(a + b)^3
A
a^3 + 3a^2b + 3ab^2 + b^3
6
Q
(a - b)^3
A
a^3 - 3a^2b + 3ab^2 - b^3
7
Q
(a^3 + b^3)
A
(a + b)(a^2 - ab + b^2)
8
Q
a^3 - b^3
A
(a - b)(a^2 + ab + b^2)