(a+b)^2=a^2+2ab+b^2
(a-b)^2=a^2-2ab+b^2
a^2-b^2=(a+b)*(a-b)
a^3-b^3=(a-b)*(a^2+ab+b^2)
a^3+b^3=(a+b)*(a^2-ab+b^2)
(a+b)^3=a^3+3a^2b+3ab^2+b^3
(a-b)^3=a^3-3a^2b+3ab^2-b^3
(a+b)²=a²+2ab+b²
(a-b)²=a²-2ab+b²
a²-b²=(a-b)(a+b)
(a+b)^2=a^2+2ab+b^2
(a-b)^2=a^2-2ab+b^2
a^2-b^2=(a+b)*(a-b)
a^3-b^3=(a-b)*(a^2+ab+b^2)
a^3+b^3=(a+b)*(a^2-ab+b^2)
(a+b)^3=a^3+3a^2b+3ab^2+b^3
(a-b)^3=a^3-3a^2b+3ab^2-b^3
(a+b)²=a²+2ab+b²
(a-b)²=a²-2ab+b²
a²-b²=(a-b)(a+b)