Problem 130 of 7
Compare complex arithmetic expressions (2-i) + (3i)(1+i) and -1+2i for equivalence.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
simplify and compare real/imaginary parts.
Hidden until you reveal it.
Expressions must simplify to standard complex form for comparison.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Simplify each expression fully.
2. Write each in a+bi form.
3. Compare real parts and imaginary coefficients.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Comparing expressions before distributing and simplifying i^2.