Answer: 
Step-by-step explanation:
We have the following polynomial:

This is a polynomial of the form
. Following this rule to expand it, we have:


Applying common factor
:

Note the polynomial inside the parenthesis is a perfect square trinomial, which can be factored to
. Hence, the final simplification is:

Answer:
a multiplication equation in order to equal a negative number consists of an odd number of negative integers
Step-by-step explanation:
-5 x 3 = -15 ex.2 -5 x -3 x -2 = -30