Question

(2 + 5i)(4 + 3i) Multiply the following complex numbers and write your answer in the simplest a+bi form.

Answer 1

-7+26i

Explanation:

Use FOIL

2•4+2(3i)+5i•4+5i(3i)

Simplify by combining like terms for your answer

8+6i+20i-15

-7+26i