bonjour
a = 6 x - 10 x = - 4 x
b = - 6 x² - 8 x² = - 14 x²
c = - 20 x + 6 x = - 14 x
d = - 3 x² - 8 x² = - 11 x²
e = - 4 x² + 2 x
f = - 6 x² + 28 x - 8 x² - 10 x = - 14 x² + 18 x
Réponse :
Bonsoir
Explications étape par étape
Réductions
A = 2 X 3x -5 X 2x = 6x -10x = -4x
B = 3x X 2x +4 X (-2x²)
B = 6x² +4 X -2x²
B = 6x² -8x² = -2x²
C = 5 ( -4x) +2 ( 3x)
C = -20x +6x = -14x
D = -3x² +4x (-2x)
D = -3x² -8x² = -11x²
E = -4x² +4x -2x
E = -4x² +2x
F = 3(-2x²) -7 (-4x) +4(-2x²) +5(-2x)
F = -6x² +28x -8x² -10x
F = -14x² +18x
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bonjour
a = 6 x - 10 x = - 4 x
b = - 6 x² - 8 x² = - 14 x²
c = - 20 x + 6 x = - 14 x
d = - 3 x² - 8 x² = - 11 x²
e = - 4 x² + 2 x
f = - 6 x² + 28 x - 8 x² - 10 x = - 14 x² + 18 x
Réponse :
Bonsoir
Explications étape par étape
Réductions
A = 2 X 3x -5 X 2x = 6x -10x = -4x
B = 3x X 2x +4 X (-2x²)
B = 6x² +4 X -2x²
B = 6x² -8x² = -2x²
C = 5 ( -4x) +2 ( 3x)
C = -20x +6x = -14x
D = -3x² +4x (-2x)
D = -3x² -8x² = -11x²
E = -4x² +4x -2x
E = -4x² +2x
F = 3(-2x²) -7 (-4x) +4(-2x²) +5(-2x)
F = -6x² +28x -8x² -10x
F = -14x² +18x