Question

(ix) (-12xyz) (3xy + 4yz)
(x) (-3pq) (p - 9)
(xi) 2mnp (m + n + p)
(xii) (x - y - z) xy​

Answer 1

Step-by-step explanation:

(ix)(-12xyz)(3xy + 4yz)

= -36x^2y^2z-48xy^2z^2

(x)(-3pq)(p - 9)

= -3p^2q+27pq

(xi)2mnp(m + n + p)

=2m^2np+2mn^2p+2mnp^2

(xii)(x - y - z)xy

=x^2y-xy^2-xyz