Question

3xsquare-ysquare+zsquare-2xy-4xz. Factoratize

Answer 1

(4x^2+z^2-4xz)-x^2-y^2-2xy (add xsquare and then substract)

(2x-z)^2-(x^2+y^2+2xy)

(2x-z)^2-(x+y)^2

(2x-z+x+y)(2x-z-x-y) use a^2-b^2=(a+b)(a-b)

(3x-z+y)(x-y-z) ans