Law of Quick Counting Flashcards
1
Q
a^2 - b^2
A
(a - b)(a + b)
2
Q
(a - b)(a + b)
A
a^2 - b^2
3
Q
a^2 + b^2
A
does not equal (a + b)(a + b)
4
Q
(a + b)(a + b)
A
does not equal a^2 + b^2
5
Q
(a + b)^2
A
a^2 + 2ab + b^2
6
Q
a^2 + 2ab + b^2
A
(a + b)^2
7
Q
(a - b)^2
A
a^2 - 2ab + b^2
8
Q
a^2 - 2ab + b^2
A
(a - b)^2
9
Q
a^3 - b^3
A
(a - b)(a^2 + ab + b^2)
10
Q
(a - b)(a^2 + ab +b^2)
A
a^3 - b^3
11
Q
a^3 + b^3
A
(a + b)(a^2 - ab + b^2)
12
Q
(a + b)(a^2 - ab + b^2)
A
a^3 + b^3
13
Q
(a + b)^3
A
a^3 + 3a^2b + 3ab^2 + b^3
14
Q
a^3 + 3a^2b + 3ab^2 + b^3
A
(a + b)^3
15
Q
(a - b)^3
A
a^3 - 3a^2b + 3ab^2 - b^3
