x2-12х+32=(x-8)(x-4)
x2-12x+32=x2-4x-8x+32
x2-12x+32=x2-12x+32
x^2-12x+32=(x-8)(x-4)
x^2-12x+32=x^2-12x+32
-12x+32=-12x+32
32=32
0=0Тождество доказано!
x2-12х+32=(x-8)(x-4)
x2-12x+32=x2-4x-8x+32
x2-12x+32=x2-12x+32
x^2-12x+32=(x-8)(x-4)
x^2-12x+32=x^2-12x+32
-12x+32=-12x+32
32=32
0=0
Тождество доказано!