Equations au Brevet
Exercice 1 : Brevet - Amérique - 1995. On donne les expressions : A = ( 2x ? 1 )2 + ( 2x ? 1 )( - x - 3 ). B = 2x2 - 9x + 4. 1. Factoriser A.
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Exercice 1 : Brevet - Amérique - 1995. On donne les expressions : A = ( 2x ? 1 )2 + ( 2x ? 1 )( - x - 3 ). B = 2x2 - 9x + 4. 1. Factoriser A.