Bonsoir;
double distributivité
(-2x + 7)(5 + x) + (3x − 5) =
-10x -2x² +35 +7x +3x-5
= -2x² +30
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Bonsoir;
double distributivité
(-2x + 7)(5 + x) + (3x − 5) =
-10x -2x² +35 +7x +3x-5
= -2x² +30