Răspuns :
x²-10x +16=0
a=1
b=-10
c=16
Δ= 100- 64=36
x1,x2= 10 +/- √36/ 2= 10+/- 6/2
x1= (10+6)/2= 16/2=8
x2=(10-6)/2= 4/2=2
x²-10x+16= a(x-x1)(x-x2)= (x-8)(x-2)
x²-10x +16=0
(x-8)(x-2)=0
x-8=0 x-2=0
x=8 x=2
a=1
b=-10
c=16
Δ= 100- 64=36
x1,x2= 10 +/- √36/ 2= 10+/- 6/2
x1= (10+6)/2= 16/2=8
x2=(10-6)/2= 4/2=2
x²-10x+16= a(x-x1)(x-x2)= (x-8)(x-2)
x²-10x +16=0
(x-8)(x-2)=0
x-8=0 x-2=0
x=8 x=2
x²-10+16=0
x²-2x-8x+16=0
x(x-2)+8(x-2)=0
(x-2)(x+8)=0
x-2=0
x=2
x+8=0
x=-8
sper ca te-am ajutat