Exercice 11
Factorisation
A = 4x -4y ⇒ 4 (x-y)
B = 49a -7b ⇒ 7 (7a -b)
C = 3 x² +7x ⇒ x (3x +7)
D = xy -x ⇒ x ( y -1)
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B = 49a-7b = 7(7a-b)
C = 3x²+7x = x(3x+7)
D = xy-x = x(y-1)
Exercice 11
Factorisation
A = 4x -4y ⇒ 4 (x-y)
B = 49a -7b ⇒ 7 (7a -b)
C = 3 x² +7x ⇒ x (3x +7)
D = xy -x ⇒ x ( y -1)