Samdlc Samdlc
  • 26-02-2017
  • Mathematics
contestada

Solve each equation by factoring. 10x-1=(2x+1)^2

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tigerteen tigerteen
  • 26-02-2017
10 x -1 = -10 
2x + 1  = 
 ^2 

its super easy just factorize all the quotations 
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bluewolf821 bluewolf821
  • 26-02-2017
10x-1 = (2x + 1)^2
10x-1= 4x^2 + 4x + 1
subtract 4x^2 + 4x + 1 from both sides
-4x^2 + 6x - 2 = 0
-2(2x-1)(x-1) = 0
2x-1=0; x-1=0
x=1/2 x=1
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