Solve the quadratic by factoring.
Check the final answer first, then review the worked steps.
Check the final answer first, then review the worked steps.
First, rearrange the equation to $4x^2 - 1 = 0$. Then, factor it as $(2x-1)(2x+1)=0$. Setting each factor to zero gives $x = 1/2$ and $x = -1/2$.