a) 4x^2+8x = 4x(x+2б) 3m-6n+mn-2n^2 = n(3-m)+2(-nв) 9a^2-16 = (3a+4)(3a-4г) y^3+18y^2+81y = y(y^2+18y+81) = y(y+9)(y+9)
a) 4x^2+8x = 4x(x+2
б) 3m-6n+mn-2n^2 = n(3-m)+2(-n
в) 9a^2-16 = (3a+4)(3a-4
г) y^3+18y^2+81y = y(y^2+18y+81) = y(y+9)(y+9)