Question
Exercice 1: Factoriser les expressions suivantes
A = 3x²-12x;
C = (2x+3)(x-5)-(2x+3)x(10x+1)
E=(6x-11)²- 4;
G=(3x+10)² - (x-4)².
À L’AIDE
Asked by: USER4465
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Answer (175)
Bonjour;
A = 3x²-12x;
3x( x -4)
C = (2x+3)(x-5)-(2x+3)x(10x+1)
(2x+3)( x-5 -10x -1)
= (2x+3) ( -9x -6)
E=(6x-11)²- 4;
=(6x-11 -2) (6x-11+2)
(6x -13) ( 6x -9)
IR
G=(3x+10)² - (x-4)².
(3x+10 -x+4) ( 3x+10 +x -4)
= (2x +14) ( 4x +6)
IR