[tex]bonjour\\\\A = - 5 x - 10 \\B = - 3 x + 6 \\C = x^{2} + 3 x \\D = 4 x - x^{2} \\E = - 3 x^{2} - 12 \\F = 2 x^{2} - 14 x \\G = 12 x^{2} + 6 x \\H = - 20 x^{2} + 40 x \\\\[/tex]
Explications étape par étape:
A=-5(x+2)
A=-5x-10
B=-3(x-2)
B=-3x+6
C=x(x+3)
C=x²+3x
D=x(4-x)
D=4x-x²
D=-x²+4x
E=-3x(x+4)
E=-3x²-12x
F=2x(x-7)
F=2x²-14
G=6x(2x+1)
G=12x²+6x
H=-4x(5x-10)
H=-20x²+40x
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[tex]bonjour\\\\A = - 5 x - 10 \\B = - 3 x + 6 \\C = x^{2} + 3 x \\D = 4 x - x^{2} \\E = - 3 x^{2} - 12 \\F = 2 x^{2} - 14 x \\G = 12 x^{2} + 6 x \\H = - 20 x^{2} + 40 x \\\\[/tex]
Explications étape par étape:
A=-5(x+2)
A=-5x-10
B=-3(x-2)
B=-3x+6
C=x(x+3)
C=x²+3x
D=x(4-x)
D=4x-x²
D=-x²+4x
E=-3x(x+4)
E=-3x²-12x
F=2x(x-7)
F=2x²-14
G=6x(2x+1)
G=12x²+6x
H=-4x(5x-10)
H=-20x²+40x