Question

помогите пожалуйста с решением ((​

Answer 1

Ответ:

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a) a^3 - a^2 + a - 1 = a^2(a - 1) + 1(a - 1) = (a^2 + 1)(a - 1)

б) x^2 - xy - 9x + 9y = x(x - y) - 9(x - y) = (x - 9)(x - y)

в) m^2 - 8m + 12 = m^2 - 2m - 6m + 12 = m(m - 2) - 6(m - 2) = (m - 6)(m - 2)

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