Question

Разложить на множители.

ab-ac+yb-yc

Answer 1

ОТВЕТ

ab - ac + yb - yc =

= a(b - c) + y(b - c) =

= (b - c)(a + y)

Answer 2

Ответ:

ab-ac+yb-yc=(ab-ac) +(yb-yc) =a(b-c) +y(b-c) =

(a+y) (b-c)