Answer:
-3 times -2 is 6 not -6
Step-by-step explanation:
Thats where he messed up
X2 -25 that’s the answer but it’s x squared 2 if that makes sense
Answer:
Below.
Step-by-step explanation:
This is a square based pyramid.
There are:
5 Faces (one on the base and 4 side faces)
8 edges. ( 4 on base and 4 on side)
5 vertices (4 on the base and one on the top)
When (2x-20)＋86＝0
2x-20＝-86
2x＝-46
x＝-23
