Question

using a suitable identity find the product of (xyz-5)(xyz+2)​

Answer 1

Answer:

Step-by-step explanation:

Given,

(xyz - 5) (xyz + 2)

= (xyz) (-5 + 2) [ ∵ ( a + b ) (a + c ) = a × (b + c )]

= (xyz) (-3) (∵ a × b = ab )

= -3xyz is the answer