Sagot :
Bonjour,
Factoriser :
B=(4x+7)²-(5x+2)(4x+7)
B = (4x + 7) (4x + 7 - 5x - 2)
B = (4x + 7) (- x + 5)
Bonjour,
Factoriser
B=(4x+7)²-(5x+2)(4x+7)
B= (4x+7)(4x+7 - 5x - 2) changement de signe
B= (4x+7)(-x+5)
B= - (4x+5)(x-5)
Bonjour,
Factoriser :
B=(4x+7)²-(5x+2)(4x+7)
B = (4x + 7) (4x + 7 - 5x - 2)
B = (4x + 7) (- x + 5)
Bonjour,
Factoriser
B=(4x+7)²-(5x+2)(4x+7)
B= (4x+7)(4x+7 - 5x - 2) changement de signe
B= (4x+7)(-x+5)
B= - (4x+5)(x-5)