Number System Formula
(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)^2-(a-b)^2=4ab
(a+b)^2+(a-b)^2=2(a^2+b^2)
(a+b+c)^2=a^2+b^2+c^2+2(ab+bc+ca)
(a+b)^3=a^3+b^3+3ab(a+b)
(a-b)^3=a^3+b^3+3ab(a-b)
(a^3+b^3)=(a+b)(a^2+b^2-ab)
(a^3-b^3)=(a+b)(a^2+b^2+ab)
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(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)^2-(a-b)^2=4ab
(a+b)^2+(a-b)^2=2(a^2+b^2)
(a+b+c)^2=a^2+b^2+c^2+2(ab+bc+ca)
(a+b)^3=a^3+b^3+3ab(a+b)
(a-b)^3=a^3+b^3+3ab(a-b)
(a^3+b^3)=(a+b)(a^2+b^2-ab)
(a^3-b^3)=(a+b)(a^2+b^2+ab)
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