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dartagnanguess1
dartagnanguess1 dartagnanguess1
  • 13-02-2017
  • Mathematics
Answered

What is the solution set of 4x^2 - 36 = 0?

Verified Answer :

Safsafsofia
Safsafsofia Safsafsofia
  • 13-02-2017

4x^2 - 36 = 0 ( Original equation ) 

4x^2 = 36 ( Add 36 to both sides ) 

x^2 = 9 ( Divide by 4 on both sides ) 

x = 3 , -3 ( Take the square root of 9 ) 

Solution set: { +3 , -3 } answer is x = +3 , x = -3

Answer Link
KurdishPotato
KurdishPotato KurdishPotato
  • 13-02-2017

add 36 to both sides and divide by 4
and take its square root the answer is = 3

Answer Link

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