Question

Write the expression as a complex number in standard form. 20 + (-23 -8i) +7i

Here are the answers that are an option

3 + 7i


-3 - i


-3 - 15i


3 + 15i

Answer 1

20+(-23-8i)+7i =20-23-8i+7i =-3-i so B option is correct: -3-i

Answer 2

`20 + (-23 -8i) +7i =-3-i`