Question

Wyłącz wspólny czynnik poza nawias
ac+ad-bc-bd=
ab+a-b-1=
x(2a-b)-2a+b=
(4x-2)(5x+3)(6x-1)=

Answer 1

ac+ad-bc-bd= a(c + d) - b(c + d) = (c + d)(a - b)

ab+a-b-1= a(b + 1) - 1(b + 1) = (b + 1)(a - 1)

x(2a-b)-2a+b= x(2a - b) - 1(2a - b) = (2a - b)(x - 1)

(4x-2)(5x+3)(6x-1)= 2(2x - 1)(5x + 3)(6x - 1)