Представьте в виде произведения многочлена 2)x^2-xy-2x+2u 4)a^2-ab-3a+3b 6)6by-15bx-4ay+10ax 8)4x^2-4xz-3x+3z

2) x^2 - xy - 2x + 2y = (x^2 - xy) + (-2x + 2y) = x(x - y) - 2(x - y) = (x - y)(x - 2);

4) a^2 - ab - 3a + 3b = (a^2 - ab) + (-3a + 3b) = a(a - b) - 3(a - b) = (a - b)(a - 3);

6) 6by - 15bx - 4ay + 10ax = (6by - 15bx) + (-4ay + 10ax) = 3b(2y - 5x) - 2a(2y - 5x) = (2y - 5x)(3b - 2a);

8) 4x^2 - 4xz - 3x + 3z = (4x^2 - 4xz) + (-3x + 3z) = 4x(x - z) -3(x - z) = (x - z)(4x - 3).