а) 4х^4(-2х^2)^3 = 4х^4(-8x^6) = -32x^10
б) (3х-1)(3х+1) + (3х+1)^2 = 9x^2 - 1 + 9x^2 + 6x + 1 = 18x^2 + 6x
а) 25а-аb^2 = a(25 - b^2) = a(5 + b)(5 - b)
б) 3а^2-6а+3 = 3(a^2 - 2a + 1) = 3(a - 1)^2
а) 4х^4(-2х^2)^3 = 4х^4(-8x^6) = -32x^10
б) (3х-1)(3х+1) + (3х+1)^2 = 9x^2 - 1 + 9x^2 + 6x + 1 = 18x^2 + 6x
а) 25а-аb^2 = a(25 - b^2) = a(5 + b)(5 - b)
б) 3а^2-6а+3 = 3(a^2 - 2a + 1) = 3(a - 1)^2