Simple proof of a²+b²=(a+b)²-2ab=(a-b)²+2ab and a²-b²=(a+b)(a-b). - YouTube
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A 3 b 3 c 3 3abc formula proofIdentities algebraic minus algebra proof 2ab cuemath Simple proof of a²+b²=(a+b)²-2ab=(a-b)²+2ab and a²-b²=(a+b)(a-b).A^2-b^2=(a+b)(a-b) formula proof.
Algebra formulasA^2-b^2 formula proof geometrically Factorisation using (a + b)^2, (a2ab 2bc 2ca.