Question

6ab(x²+y²+z²)+8cd(x²+y²+z²)-9bc(x²+y²+z²) factorise it​

Answer 1

Answer:

xy(z

2

+1)+z(x

2

+y

2

).

Step-by-step explanation:

⇒xyz

2

+xy+zx

2

+zy

2

⇒xyz

2

+zx

2

+xy+zy

2

⇒xz(yz+x)+y(yz+x)

⇒(xz+y)(yz+x)