Complétez les égalités remarquables suivantes : X²-...=(...-√3)(...+...)
X²+...+...=(...+√2)²
...-4X√3+...=(2X-...)²
Factorisez si possible :
(2t+1)²-(t+1)²
(3t-7)²-25
(3t+4)²-(2t+3)²
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