Sagot :
Réponse :
L = 3(2x + 5)
L=3*2x+3*5
L=6x+15
M = 12(3 - 5x)
M=12*3-12*5x
M=36-60x
N = 2x(x - 9)
N=2x*x-9*2x
N=2x²-18x
P = -3x(2x + 7)
P=-3x*2x-3x*7
P=-6x²-21x
Réponse :
L = 3(2x + 5)
L=3*2x+3*5
L=6x+15
M = 12(3 - 5x)
M=12*3-12*5x
M=36-60x
N = 2x(x - 9)
N=2x*x-9*2x
N=2x²-18x
P = -3x(2x + 7)
P=-3x*2x-3x*7
P=-6x²-21x