Answer:

Step-by-step explanation:
So we have the equation:

To solve, subtract 5 from both sides. This is the subtraction property of equality:

The left side cancels:

Subtract on the right.

So, our answer is -7.
View explanations and answer in the picture
(2-5i)(3+i)
use foil method to expand it into standard form
6+2i-15i+5i^2
5i^2-13i+6