а) -6a + 2v + 6a = 2vб) (m - 2n)^2 + 4mn = m^2 - 4mn + 4n^2 + 4mn = m^2 + 4n^2в) (x - 6y)(x + 6y) + 9(2y)^2 = x^2 - 36y^2 + 36y^2 + 36y^2 = x^2 + 108y^2
Произведение:а) 8x + 6y = 2(4x + 3y)б) 64m^2 - 49n^2 = (8m + 7n)(8m - 7n)
Уравнение:2(3x - 5) = 5(x - 1)6x - 10 = 5x - 5x = 5
а) -6a + 2v + 6a = 2v
б) (m - 2n)^2 + 4mn = m^2 - 4mn + 4n^2 + 4mn = m^2 + 4n^2
в) (x - 6y)(x + 6y) + 9(2y)^2 = x^2 - 36y^2 + 36y^2 + 36y^2 = x^2 + 108y^2
Произведение:
а) 8x + 6y = 2(4x + 3y)
б) 64m^2 - 49n^2 = (8m + 7n)(8m - 7n)
Уравнение:
2(3x - 5) = 5(x - 1)
6x - 10 = 5x - 5
x = 5