Question

ПОМОГИТЕ...............................

Answer 1

1. ab - ac + yb - yc = a(b - c) + y(b - c) = (b - c)(a + y)
2. 3x + 3y - bx - by = 3(x + y) - b(x - y) = (x + y)(3 - b)
3. 4n - nc - 4 + c = n(4 - c) - (4 - c) = (4 - c)(n - 1)
4. x^7 - x^3 + 4x^4 - 4 = x^3(x^4 - 1) + 4(x^4 - 1) = (x^4 - 1)(x^3 + 4)
5. 6m^2n - 3m^2 + 2mn - m = 3m^2(2n - 1) + m(2n - 1) = (2n - 1)(3m^2 + m)
6. 4a^4 - 5a^3y - 8a + 10y = 4a^3(a - 1,25y) - 8(a - 1,25y) = (a - 1,25y)(4a^3 - 8)