Question

© Divide which of the following are quadratic equations
x² + 5x - 2 = 0​

Answer 1

Answer:

x² + 5x - 2 = 0

Only one variable x.

Maximum index = 2.

So, it is quadratic equation.

Answer 2

Answer:

first of all its not a quadratic equation, its a quadratic formula (because equated with zero). yours quadratic equation has one variable i.e x, basically used to find the values of x we equate it with zero.

ANS: X= 0.3723, -5.37228

Step-by-step explanation:

as it cannot be expanded so use shree dharacharya formula given below.