Question

using identities factorise the following x square minus y square + 6 Y - 9​

Answer 1

Answer:

middle term splitting

Step-by-step explanation:

x^2-y^2+6y-9

x^2-[y2-6y+9]

x2-[y2-3y-3y+9]

x2-[y(y-3)-3(y-3)]

x2-[y-3][y-3]

x2-[y-3]^2