Respuesta :

Answer:

There are two solutions.

Step-by-step explanation:

x = -3

x = -11

3x|x+7| +6 =18
Answer: 3x|x+7| = 18-6
3x|x+7|=12
|x+7|=4
x+7=4
x+7=-4
x=-3
x= -11
Solution or final answer:
x (put 1 under the x lower right of x)
x1 = -11, x2 = -3
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