5a+5b-ax-bx m^2-mn-2n+2m x^4-3x^3+3x^2-9x 10by-25bx-6ay+15ax m^4+2-m-2m^3 y-y^2-y^3+y^4 x^2y-z^2x+y^2x-yz^2 Представьте целое…

5a+5b-ax-bx=5 (a+b) -x (a+b)=(a+b) (5-x) m^2-mn-2n+2m=m (m-n)+2 (m-n)=(m-n) (m+2) 10by-25bx-6ay+15ax=2y (5b-3a) -5x (5b-3a)=(5b-3a) (2y-5x) m^4+2-m-2m^3=m (m^3-1) -2 (m^3-1)=(m^3-1) (m-2) y-y^2-y^3+y^4y=y (1-y) -y^2 (1-y)=y (1-y) () 1-y^2) x^2y-z^2x+y^2x-yz^2=xy (x+y) -z ^2 (x+y)=(x+y) (xy-z ^2) x^4-3x^3+3x^2-9x=x^3 (x-3)+3x (x-3)=(x-3) (x^3+3x)=x (x-3) (x^2+3)