ПОМОГИТЕЕЕЕ!!!1) a3 + 8b32) x2y 36 y33) -5 m2 +

1) a + 8b = a + (2b) = (a + 2b)(a - 2ab + b)

2) xy - 36y = y(x - 36y) = y(x - 6y)(x + 6y)

3) - 5m + 10mn - 5n = - 5(m - 2mn + n) = - 5(m - n) = - 5(m - n)(m - n)

4) 4ab - 28b + 8a - 56 = (4ab + 8a) - (28b + 56) = 4a(b + 2) - 28(b + 2) =
= (b + 2)(4a - 28) = 4(b + 2)(a - 7)

5) a - 81 = (a) - 9 = (a - 9)(a + 9) = (a - 3)(a + 3)(a + 9)

1) a^3 + 8b^3 = (a + 2b) (a^2 - 2ab + 4b^2)
2) x^2y - 36y^3 = y (x - 6y) (x + 6y)
3) -5m2 + 10mn + 5n2 = -5 (m^2 - 2mn - n^2)
4) 4ab - 28b + 8a - 56 = 4 (b + 2) (a - 7)
5) a^4 - 81 = (a - 3) (a + 3) (a^2 + 9)

@iGeniusOX