Answer
x=-3 or $\frac{1}{2}$
Work Step by Step
2x$^2$+5x-3=0
x$^2$+$\frac{5}{2}$x=$\frac{3}{2}$
(x+$\frac{5}{4}$)$^2$=$\frac{49}{16}$
x+$\frac{5}{4}$= +/- $\frac{7}{4}$
x=-3 or $\frac{1}{2}$
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