If (2x- 1) (2x + 3) = 0 then x=
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(2x-1) (2x+3)
4x^2+6x-2x-3 =0
4x^2+4x-3=0
a=4,b=4,c=-3
b^2-4ac=0
(4)^2-4(4)(-3)=0
16-16(-3)=0
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