Question

Donte simplified the expression below.

4(1+3i)-(8-5i)
4+3i-8+5i
-4+8i

What mistake did he make?

Answer 1

A. He did not apply the distributive property correctly for 4(1+3i)

Explanation:

Answer 2

He did not apply distributive property correctly for 4(1 + 3i)

Instead of 3i, it should be 12i.