Question

Разложите на множители 5a-ab-5+b, 8xy-4y+2x^2-x

Answer 1

5а -ab   - 5 +b  = a(5-b)   - 1(5-b) = (a-1)(5-b)

8xy  -4y  +2x² -x = 4y(2x-1) + x(2x-1) = (4y+x)(2x-1)