Factorise :
J = 6-4y =
N = 25 +
25y =
K = 18y +12 =
O = 15y? + 20y - 5 =
L= y-4y2 =
P = 12y3 - 6y? - 18y =
M = 6y2 + 3y3
= 6x
Bonjour pouve vous mede svp ​


Sagot :

Bonsoir,

J = 6-4y =  2 (3 - 2y)

N = 25 +  25y = 25 (1 + y)

K = 18y +12 =  6 (3y + 2)

O = 15y² + 20y - 5 =  5 (3y² + 4y - 1)

L= y-4y² =  y (1 - 4y)

P = 12y³ - 6y² - 18y =  6 y (y + 1) (2y - 3).

M = 6y² + 3y3³ = 6x  --> Mauvaise expression 2 fois =