x = -4, so use the first equation, x^2 = -4^2 = -16
x = 4, use 3rd equation, sqrt(x) = sqrt(4) = 2
Answer:

Step-by-step explanation:
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The answer is -2.76.
Hope I Helped (=^-^=)
You haven’t provided any option, however I think I can still help.
You can solve 4(3-6). You first deal with he parenthesis, and get 4(-3). This means that your expression is equivalent to -12.
Hope this helps :)
Answer:
3x + 12
Step-by-step explanation:
Distribute the 3