Use Slader.com, Find the math book and look up the page. It will show you the answer and how to get it.
Answer:
Answer c) (13)
Step-by-step explanation:
Begin with 3x+2x-45=20. Go through the steps of solving this for x.
Combining like terms, we get 5x = 65.
Dividing both sides by 5, we get x = 13.
Answer c) (13) is the correct answer/solution/root.
You should be able to find the answer try using the tiger math app
Just write 5-8i and then replace the - sign with the + sign: 5+8i.