2x2 #8722;7x+3=0 #10;2x2 #8722;6x #8722;x+3=0 #10;2x(x #8722;3) #8722;(x #8722;3)=0 #10;(2x #8722;1)(x #8722;3)=02x 1=0 = gt; x=1/2x 3=0 ...

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Quadratic Formula

Solve : 2x2...

Question

Solve : $2 x^{2} - 7 x + 3 = 0$

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Solution

$2 x^{2} - 7 x + 3 = 0$
$2 x^{2} - 6 x - x + 3 = 0$

$2 x (x - 3) - (x - 3) = 0$

$(2 x - 1) (x - 3) = 0$
$2x-1=0 => x=1/2$
$x-3=0 => x=3$

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