[tex]ax^{2} +ac^{2} -2x^{2} -2c^{2} =(ax^{2} +ac^{2} )+(-2x^{2} -2c^{2} )=a(x^{2} +c^{2} )-2(x^{2} +c^{2} )=(x^{2} +c^{2} )(a-2)[/tex]

[tex]3(5x-2y)-5(3x-4y)-y(x+1)=15x-6y-15x+20y-xy-y=13y-xy[/tex]

[tex]4x(x-3y)-2y(y-3x)-x(x-2y)=4x^{2} -12xy-2y^{2} +6xy-x^{2} +2xy=3x^{2} -4xy-2y^{2}[/tex]

[tex]3ax^{3} y-12axy^{2} =3axy(x^{2} -4y)[/tex]

[tex]4p(2x-3)-3(3-2x)=4p(2x-3)+3(2x-3)=(2x-3)(4p+3)[/tex]

Ответ:

фото

Объяснение: