Question

which of the following is not a quadratic equation
a) x²+3x-5=0
b) x²+x³+2=0
c)3+x+x²=0
d) x²-9=0

please answer the qution by step by step

otherwise I will report the answer ​

Answer 1

Answer:

c)3+x+x^2=0

Step-by-step explanation:

The equation involving one variable and having 2 as the maximum index of the variable is called the quadratic equation.

Answer 2

Step-by-step explanation:

option b is correct

because this is not a form of quadratic equation