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Solve the equation 2x^(2)+ 5x-12=0...

Solve the equation `2x^(2)+ 5x-12=0`

Text Solution

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By comparison with the standard quadratic equations a=2a,b=5 and c=-12
`x=(-5pmsqrt((5)^(2)-4xx2xx(-12)))/(2xx2)=(-5pmsqrt(121))/(4)=(-5pm11)/(4)=(+6)/(4),(-16)/(4) implies x=(3)/(2),-4`
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