Question

how to solve plz help​

Answer 1

Answer:

a=27

Step-by-step explanation:

a^2=54

then you will get that value

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Answer 2

Answer:

a²-3a²-54=0

2a²-54=0

2a²=54

a²=54/2

a²=27

a=√27

answer is √27

hope it will help you

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