Question

Find the product-a2b²c²(a+b-c)b c -a bc

Answer 1

-a2b²c²(a+b-c) =

Use distributive rule

a•(b+c) = ab + ac

Then

-a^2b^2c^2 •a= -a^3•b^2•c^2

-a^2b^2c^2 •b = -a^2•b^3•c^2

-a^2b^2c^2 •(-c)= a^2•b^2•c^3