Question

9x²-6xy+y²-z²

In this question we have to factorise it..pls help me with this.​

Answer 1

Answer:

${9x}^{2} + {y}^{2} - 6xy- {z}^{2} \\ = {(3x - y)}^{2} - {(z)}^{2} \\ =( 3x - y + z) \times (3x - y - z)$

here's the answer

Step-by-step explanation:

hope this helps