Sagot :

Bonsoir,

21x² + 4x = x(21x + 4)

8a - 6a² = a(8 - 6a)

3x - 3 = 3(x - 1)

x² + 5xy = x(x + 5y)

Vins

Bonsoir

21 x² + 4 x =  x ( 21 x + 4 )

8 a - 6 a² =  2 a ( 4 - 3 a )

3 x - 3 = 3 ( x - 1 )

x² + 5 xy = x ( x + 5 y  )