SOLUTION: evaluate the expressions 3x to the second power and (3x)to the second power when x=4?

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Question 337971: evaluate the expressions 3x to the second power and (3x)to the second power when x=4?
Found 2 solutions by katealdridge, stanbon:
Answer by katealdridge(100) About Me  (Show Source):
You can put this solution on YOUR website!
3x%5E2 is very different from %283x%29%5E2
Substituting 4 for x in each expression yields:
3%284%29%5E2 and %283%2A4%29%5E2
3%284%29%5E2=3%2A16=48 and %283%2A4%29%5E2=%2812%29%5E2=144

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
evaluate the expressions 3x to the second power and (3x)to the second power when x=4?
-----------------------
3x^2 + (3x)^2
---
3*4^2 + (12)^2
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3*16 + 144
---
48 + 144
---
= 192
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Cheers,
Stan H.