Compute (2+3i)−(5−4i)(2 + 3i) - (5 - 4i) and express your answer in standard form.

Introduction to Complex Numbers

11. Roots, Radicals, and Complex Numbers / Introduction to Complex Numbers / 문제 3

문제 3

Compute $(2 + 3 i) - (5 - 4 i)$ and express your answer in standard form.

$7 minus 3 i$

$7 plus i$

$- 7 + 3 i$

$- 3 + 7 i$