# Given #2x^2-1=2x#, how do you find the discriminant and the number of solutions?

##### 1 Answer

Mar 29, 2018

#### Answer:

**Solution:**

#### Explanation:

quadratic equation

solutions, if it is zero we get just one solution, and if it is negative

we get complex solutions.Discriminant is positive here , so it has

two real roots . Quadratic formula:

Solution: