Problem 105 of 7
Build a quadratic from roots -1+i, -1-i.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
multiply linear factors.
Hidden until you reveal it.
Roots must define a monic quadratic unless a scale factor is specified.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Write one factor for each root.
2. Multiply the two factors.
3. Set the resulting quadratic equal to zero.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Missing one conjugate when roots are complex.