Question

8).Which of the following is quadratic equation?

a)x³−2x−√5−x=0

b)3x²−5x+9=x²−7x+3

c)(x+1/x)²=3(x+1/x)+4

d)x³+x+3=0​

Answer 1

Answer:

b.

$3x {}^{2} - 5x + 9 = x {}^{2} - 7x + 3$

Step-by-step explanation:

Quadratic equation is an equation having 2 as the degree of the equation.

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