1) а(у-4) - 3(у-4) = (а-3)(у-4) + 122) 9(а-1) - n(а-1) = (9-n)(а-1)3) 6(x+y) + a(t+x) = 6(x+y) + a(t+x)4) (8-x)(x-y) + z(x-y) = (8-x+z)(x-y)5) m(n-1) + (m-1) = m(n-1) + (m-1)6) a(b-c) - 2(b-c) = (a-2)(b-c)
1) а(у-4) - 3(у-4) = (а-3)(у-4) + 12
2) 9(а-1) - n(а-1) = (9-n)(а-1)
3) 6(x+y) + a(t+x) = 6(x+y) + a(t+x)
4) (8-x)(x-y) + z(x-y) = (8-x+z)(x-y)
5) m(n-1) + (m-1) = m(n-1) + (m-1)
6) a(b-c) - 2(b-c) = (a-2)(b-c)