Problem 37 of 7
Solve quadratic x^2+4x+5=0 using the quadratic formula.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
apply quadratic formula and simplify imaginary radical.
Hidden until you reveal it.
Quadratic must have negative discriminant and real coefficients.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify a, b, and c.
2. Substitute into the quadratic formula.
3. Simplify the negative discriminant using i and write conjugate solutions.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Leaving sqrt of negative number unsimplified.