Question

find the degree of X from these equation (x²+2x-9)​

Answer 1

Answer:

x

2

−2x−9=0

The standard quadratic equation is ax

2

+bx+c=0

Roots are given, x=

2a

−b±

b

2

−4ac

Here, x=

2×1

2±

4+4×1×9

x=

2

2±2

10

x=1+

10

,1−

10

Answer 2

Answer:

the answer is 2

Step-by-step explanation: