Question

Check whether the equation 2 x (x+3) -1=0 is quadratic or not.​

Answer 1

$Given \: 2x(x+3) - 1 = 0$

$\implies 2x^{2} + 6x - 1 = 0$

$\implies Degree \: of \:the \: equation = 2$

$\therefore \green { It \: is \: a \: Quadratic \: equation.}$

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Answer 2

Answer:

yes it is quadratic equation

Step-by-step explanation:

quadratic equation means ax^2+bx+ c=0

degree of equation is 2

2 x (x+3) -1=0

2x^2+6x-1=0