Answer:
x = -10
Step-by-step explanation:
Combine like terms and solve for x
3x + 8 = x - 12
3x= x - 20
2x = -20
x = -10
Answer:

Step-by-step explanation:
- a = 3

<h3>Answer</h3>





<h2>sorry if wrong :)</h2>
The correct answer for this equation is x^4 + 6x^3 - 12x - 72<span>
You just square root the numbers in the square root sign and take away the square root. Then you simply from top to bottom. Hope this helps :D
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