Question

Simplify the following numerical expressions.

|-7| - 7 =
2|-7| =
(-7)^2 =
-7^2 =
-7 -|-7| =

Answer 1

|-7| - 7 = 0

2|-7| = 14

(-7)^2 = 49

-7^2 = 49

-7 -|-7| =-14

Explanation:

Answer 2

|-7| - 7 = 0
2|-7| = 14
(-7)^2 = 49
-7^2 = 49
-7 -|-7| =-14