Question

*Which of the following is not a quadratic equation?*

1️⃣ x² + 3x – 5 = 0
2️⃣ x² + x³+ 2 = 0
3️⃣ 3 + x + x² = 0
4️⃣ x² – 9 = 0

Answer 1

Step-by-step explanation:

2) option is not a quadratic equation

Answer 2

Step-by-step explanation:

x2+x3+2=0

bcoz it has greatest power/exponent as x