Question

What is the value of discriminant for the equation -2x^2+2x+1=0 ? pls answer it quick.

Answer 1

Answer:

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Discriminant = 12

Step-by-step explanation:

D = b^2 - 4ac

b is coefficient of x

a is coefficient of x^2

c is constant

THEREFORE ,

D = 2^2 - 4(-2)(1)

D = 4 + 8

D = 12

Answer 2

-4x²+2x+1=0

-4x²+2x=-1

4x²+2x=1

4x²= 1-2x

4x²/2x =1

2x =1

x = 1/2 Ans