Question

which of the following is not a quadratic equation
1.x²+3x-5=0
2.x+9=0
3.x²-9=0
4.3+x+x²=0​

Answer 1

Answer:

option 2

Step-by-step explanation:

mark me as brainliest

Answer 2

Answer:

4.3+x+x²=0 is not a quadratic equation.