Question

Oblicz:

a)12a-4b

b)3xy-6x+9x²

c)(a-b)·3a-b(a-b)+2·(a-b)

Answer 1

12a-4b=4(3a-b)

3xy-6x+9x^2=3x(y-2+3x)

(a-b)*3a-b(a-b)+2(a-b)=(a-b)(3a-b+2)

 

O to chodziło?

Answer 2

a)12a-4b=4(3a-b)

b)3xy-6x+9x2=3x(y-2+3x)

c)(a-b)*3a-b(a-b)+2(a-b)=(a-b)(3a-b+2)