2x-2=2(x-2)
X²-4=(x-2)(x+2)
X³-9x)= x(x²-9)=x(x-3)(x+3)
X²+2xy+y²=(x+y)²=(x+y)(x+y)
9n²+12nm+4m²=(3n+2m)²=(3n+2m)(3n+2m)
(b²)³=b^6 = b²*b²*b²
2x-2=2(x-2)
X²-4=(x-2)(x+2)
X³-9x)= x(x²-9)=x(x-3)(x+3)
X²+2xy+y²=(x+y)²=(x+y)(x+y)
9n²+12nm+4m²=(3n+2m)²=(3n+2m)(3n+2m)
(b²)³=b^6 = b²*b²*b²