37 Recopier et compléter. a) A = 5a + 50 A = 5a + 5 x... A = 5(a + ...) b) B = 22b - 2a B = 2 x ...-2x... B = 2(... - ...) 60 Aide moi svp

Réponse:

Bonjour.

A = 5a + 50

A = 5×a + 5×10

A = 5(a + 10)

B = 22b - 2a

B = 2×11b - 2×a

B = 2(11b - a)

Bonjour,

On appelle ça "factoriser"

A = 5a + 50

  = 5×a + 5×10

  = 5 × (a + 10)

B = 22b - 2a

   = 2×11b - 2×a

   = 2 × (11b - a)