Réponse :
a. 15x - 24 = 3( 5x - 8 )
b. 10x² + 7x = x( 10x + 7 )
c. -10x² + 4x = 2x( -5x + 4 )
f. 5x + 20x² = 5x( 1 + 4x )
a) 3(5x-8)
b) x(10x+7)
c) 2x(-5x+2)
d) 5x(1+4x)
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Réponse :
a. 15x - 24 = 3( 5x - 8 )
b. 10x² + 7x = x( 10x + 7 )
c. -10x² + 4x = 2x( -5x + 4 )
f. 5x + 20x² = 5x( 1 + 4x )
a) 3(5x-8)
b) x(10x+7)
c) 2x(-5x+2)
d) 5x(1+4x)