1.

(2a-3b)³ Algebric Identity​

Answer»

align="ABSMIDDLE" alt="{\boxed{\red{\sf{(a+b)³=a³-b³-3ab(a-b)}}}}" CLASS="latex-formula" ID="TexFormula1" src="https://tex.z-dn.net/?F=%7B%5Cboxed%7B%5Cred%7B%5Csf%7B%28A%2Bb%29%C2%B3%3Da%C2%B3-b%C2%B3-3ab%28a-b%29%7D%7D%7D%7D" title="{\boxed{\red{\sf{(a+b)³=a³-b³-3ab(a-b)}}}}">

(2a-3b)³ = 8a³ - 27b³ - 3(2a)(3b)(2a-3b)

= 8a³ - 27b³ - 36a²b + 54ab²

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