Question

factories
x^2 - 2y + xy - 4​

Answer 1

${x}^{2} - 2y + xy - 4 \\ = > ( {x}^{2} - 4) + y( \times - 2) \\ = > (x + 2)(x - 2) + y(x - 2) \\ = > (x - 2)(x + 2 + y)$

Answer 2

Answer:

x2−2y+xy−4

=(x2−4)+y(x−2)

=(x+2)(x−2)+y(x−2)

=(x−2)(x+2+y)