1) 4x^3-4y^3 = 4(x^3-y^3) = 4(x-y)(x^2+xy+y^2)2) 7x^3+7y^3 = 7(x^3+y^3) = 7(x+y)(x^2-xy+y^2)3) 2x^2-4x+2 = 2(x^2-2x+1) = 2(x-1)(x-1) = 2(x-1)^2
1) 4x^3-4y^3 = 4(x^3-y^3) = 4(x-y)(x^2+xy+y^2)
2) 7x^3+7y^3 = 7(x^3+y^3) = 7(x+y)(x^2-xy+y^2)
3) 2x^2-4x+2 = 2(x^2-2x+1) = 2(x-1)(x-1) = 2(x-1)^2