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mellykate13
mellykate13 mellykate13
  • 08-08-2016
  • Mathematics
Answered

Simplify 3(3x-1)^2=21

Verified Answer :

MachineQ
MachineQ MachineQ
  • 08-08-2016

3(3x-1)^2=21 

(3x-1)^2 = 7 

3x-1 = square root of 7 

3x = square root of 7 - 1 

x = (square root of 7 - 1)/3

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tylerpachter
tylerpachter tylerpachter
  • 08-08-2016

27x^2-3=21
27x^2=24

the answer is 27x^s=24
that is my work up there

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