Sagot :
Bonjour,
A)
36-(4x-1)²=36-16x²+8x-1
=-16x²+8x+35
=(-4x+7)(4x+5)
B)
36x²-12x+1=(6x-1)² car (a-b)²=a²-2ab+b²
Bonjour,
Factoriser:
A) 36-(4x-1)²= 6²-(4x-1)²= (6-4x+1)(6+4x-1)= (-4x+7)(4x+5)= -(4x-7)(4x+5)
B) 36x² -12x+1= (6x-1)(6x-1)= (6x-1)²
Bonjour,
A)
36-(4x-1)²=36-16x²+8x-1
=-16x²+8x+35
=(-4x+7)(4x+5)
B)
36x²-12x+1=(6x-1)² car (a-b)²=a²-2ab+b²
Bonjour,
Factoriser:
A) 36-(4x-1)²= 6²-(4x-1)²= (6-4x+1)(6+4x-1)= (-4x+7)(4x+5)= -(4x-7)(4x+5)
B) 36x² -12x+1= (6x-1)(6x-1)= (6x-1)²