1.
6 - 2х² = 6 - 2(-8)² = 6 - 2(64) = 6 - 128 = -122
2.

3.

4.

5.

Answer:

Step-by-step explanation:

Expand/Distribute x+3 in x+5

Distribute 3 in the expression.

#1:32
#2:70
#3:129
hope this helps
Answer:
x=8
Step-by-step explanation:
x= -5/2=-2 1/2= -2.5. If you add all of those up you will get x=8
<h2><em>
Hope this helps and have a great day :)</em></h2>
Answer:

Step-by-step explanation:


Put x as -3.





Hence, y equals to 2.