Question

is x+2x+5=0 a quadratic equation or not​

Answer 1

Answer:

No it's not a quadratic equations because the formula is

ax²+bx+c .

I hope it's helpful for you ✌️

Answer 2

Answer:

not, it is not quadratic equation

Step-by-step explanation:

because in quadratic equation general formula is

${x}^2 + {y}^2 + c = 0$ because quality question general formula is given above

x+2x+5=0

=>3x+5=0

=>3x=-5

=>x=-5/3