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100 points for answer. please help

100 Points For Answer Please Help class=

Answer :

Answer:

19.09

Step-by-step explanation:

4x÷3+8x÷3

4x+8x÷3×3

12x²÷6

x²=6/12

x²=3/6

3/6x²

√3/6

Answer:

19.09

Step-by-step explanation: