Question

8.
Simplify: a(a-+b+c)+b+(a+b+c)-c+(a-b-c)
11.6 Multiplying a binomial by a binomial or trinomial​

Answer 1

Step-by-step explanation:

a^2-ab+ac+ab+b^2+bc-ac+bc+c^2

=a^2+b^2+2bc+c^2

Answer 2

Answer:

a^2+b^2+c^2+2bc

Step-by-step explanation:

a^2-ab+ac+ba+b^2+bc-ca+cb+c^2

=a^2+b^2+c^2+2bc