1)



Multiplying both sides by  we get



Squaring both sides



or



Solving by factorization



x = 6 or x = 2



2)



Cubing both sides



Grouping like terms









3)



Raising both sides to the power of 4



Grouping like terms





Taking the 4th root

 or 



4)



Squaring both sides





Solving by factorization



x = 9 or x = -1





Hope you got it:)



 

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