The roots of the equation 2x2 5x + 3 = 0, by the method of completing the square.
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2x²+5x+3=0
4x²+10x+6=0
4x²+10x+25-25+6=0
(2x+5)²=19
2x+5=±√19
2x= -5±√19
x= -5±√19/2
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