Samdlc
Samdlc
26-02-2017
Mathematics
contestada
Solve each equation by factoring. 10x-1=(2x+1)^2
Respuesta :
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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