Question

which of the following is a quadratic equastion ?



option:-
(A)
$6 {x}^{2} = 20 - {x}^{3}$
(B)
${x}^{2} | \frac{1}{x } - 2| = \frac{7}{2}$
(C)

$\frac{3}{x} - 3 = 4 {x}^{2}$
(D)
$5x + 7 = 3x$

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Answer 1

Answer:

b is your correct answer because after reducing all equation in standard form then only b option has degree of polynomial 2