Question

टू एक्स स्क्वायर प्लस एक्स माइनस 1 इक्वल टू जीरो​

Answer 1

Answer:

2x^2+x-1=0 then ........................(1)

Explanation:

step by step solutions

here put x= -1 in equation 1 and get rhs = 0

satisfy equation then i can say that -1 is the right answer okkkk