а) x^2+3x^4 = x^2(1+3x^2) = x^2(1+√3x)(1-√3x)
б) 3a^2-27 = 3(a^2-9) = 3(a+3)(a-3)
в) 2x+4+x^2+2x = x^2+4x+4 = (x+2)(x+2) = (x+2)^2
а) x^2+3x^4 = x^2(1+3x^2) = x^2(1+√3x)(1-√3x)
б) 3a^2-27 = 3(a^2-9) = 3(a+3)(a-3)
в) 2x+4+x^2+2x = x^2+4x+4 = (x+2)(x+2) = (x+2)^2