Question

Factoriza: x2 – 6xy + 9y2 + xz – 3yz

Answer 1

z (x-3y)+(x²-6xy+9y²)

z (x-3y)+(x-3y)²

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

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

Saludos espero que te sirva :)