Question

In the quadratic equation x²+x-2=0,value of a+b+c=

Answer 1

Answer:

a+b+c=0

Step-by-step explanation:

the given equation:

x²+x-2=0

standard quadratic equation :

ax²+bx+c=0

so, in the given equation,

a=1, b=1, c=-2

a+b+c=1+1+(-2) = 0