1) 4х^2 + 8x = 4x(x + 2)2) 3m - 6n + mn - 2n = 3(m - 2) + n(m - 2) = (3 + n)(m - 2)3) 9a^2 - 16y^3 + 18y^2 + 81y = (3a - 4y)(3a + 4y) + 9y(2y + 6) = (3a - 4y)(3a + 4y + 9y)
1) 4х^2 + 8x = 4x(x + 2)
2) 3m - 6n + mn - 2n = 3(m - 2) + n(m - 2) = (3 + n)(m - 2)
3) 9a^2 - 16y^3 + 18y^2 + 81y = (3a - 4y)(3a + 4y) + 9y(2y + 6) = (3a - 4y)(3a + 4y + 9y)