How do you solve #2x²-x+8=0#?
See a solution process below:
We can use the quadratic equation to solve this problem:
The quadratic formula states:
The square root of -1 or
Substituting gives the solution set as;
No real roots
Use the improved quadratic formula (Socratic, Google Search).
Since D < 0, there are no real roots.
There are 2 complex roots:
Let's complete the square:
No real roots as negative square root, although you could use