Question

xsquare-2xy+9ysaquare​

Answer 1

Answer:

$x {}^{2} - 2xy + 9y \\ = > (x) {}^{2} - 2 \times x \times y + (3y) {}^{2} \\ = > (x - 3y) {}^{2} answer .$

refer to the Attachment:-

hope this helps you....