Question

Factorize the following:

x^2 – xy + xz – yz
2) ab(x^2 + y^2 ) + xy(a^2 + b^2 )
3) y^2 – 36
4) (x+2)^2 – 9

Answer 1

`(1)x {}^(2) - xy + xz - yz \\ x(x - y) + z(x - y) \\ (x - z)(x - y) = 0`