Question

Q6. Simplify: ( a+ b+ c)2 – ( a – b – c)2

Answer 1

Answer:

(2b+2c)-8bc

Step-by-step explanation:

(a+b+c)^2-(a-b-c)^2

=a^2+b^2+c^2-a^2+b^2+c^2

=2b^2+2c^2

=(2b+2c)-8bc