1) 3x + 3y – bx – by = 3(x + y) - b(x + y) = (3 - b)(x + y)
Ответ: (3 - b)(x + y)
2) 4n – nc – 4 + c = n(4 - c) - (4 - c) = (n - 1)(4 - c)
Ответ: (n - 1)(4 - c)
3) x7 + x3 + 4x4 + 4 = x3(x4 + 1) + 4(x4 + 1) = (x3 + 4)(x4 + 1)
Ответ: (x3 + 4)(x4 + 1)
4) 6m2n – 3m2 + 2mn2 - mn = 3m2(2n - 1) + mn(2n - 1) = (3m2 + mn)(2n - 1) = m(3m + n)(2n - 1)
Ответ: m(3m + n)(2n - 1)
5) 4a4 - 5a3y – 8a + 10y = a3(4a - 5y) - 2(4a - 5y) = (a3 - 2)(4a - 5y)
Ответ: (a3 - 2)(4a - 5y)
6) a3b2 – a2 + a2b2 - a = a2(ab2 - 1) + a(ab2 - 1) = (a2 + a)(ab2 - 1) = a(a + 1)(ab2 - 1)
Ответ: a(a + 1)(ab2 - 1)