Question

разложите на множители a) x(y-z)+3(z-y) б) a(b-c)-b(c-b)

Answer 1

1)x(y-z)+3(z-y)=(y-z)(x-3)
2)a(b-c)-b(c-b)=(b-c)(a+b)

Answer 2

а. (3-x)(z-y)
b .-(a+b)(c-b)