Question

What is the product of the complex numbers (3 + i) and
(3 - i)?

Answer 1

\left(3+i\right)y\left(3-i\right)=10y

Explanation:

\left(3+i\right)y\left(3-i\right)

\left(3+i\right)\left(3-i\right)y

=y\cdot \:10

=10y