Sagot :
Réponse :
Bonjour
A = x³ + 2x² - 4x = x(x² + 2x - 4)
B = 2x⁴ - 8x³ + 3x² = x²(2x² - 8x + 3)
C = 4x² - 16x = 4x(x - 4)
D = (x + 7)(x - 2) + (x + 7)(3x + 1) = (x + 7)(x - 2 + 3x + 1) = (x + 7)(4x - 1)
E = (2x + 3)(3x + 4) - (3x + 4)(x - 1) = (3x + 4)(2x + 3 - x + 1) = (3x + 4)(x + 4)
F = x⁷ - 4x³ = x³(x⁴ - 4)
G = (3x + 2)(7 - x) - (2 + 3x)(x + 4) = (3x + 2)(7 - x - x - 4) = (3x + 2)(3 - 2x)
H = (x - 1)(3x + 7) - (x - 1)(3x - 3) = (x - 1)(3x + 7 - 3x + 3) = (x - 1)(10) = 10(x - 1)
I = 12x³ + 24x² - 18x = 6x(2x² + 4x - 3)
J = (4 - 5x)(1 - x) - (4 - 5x)(4x - 3) = (4 - 5x)(1 - x - 4x + 3) = (4 - 5x)(4 - 5x) = (4 - 5x)²