Algebra 2 - Multiplying two complex numbers (3-4i) (2+i)

The video tutorial explains the multiplication of complex numbers using the box method. It begins with an introduction to complex numbers and their multiplication, followed by a detailed explanation of the box method. The instructor demonstrates step-by-step how to multiply complex numbers, combine like terms, and simplify the result. The tutorial concludes with ensuring the final answer is in the correct complex form.

What is the form of a complex number?

• A + Bz

• A + Bx

• A + B

• A + Bi

Which method is suggested for organizing complex number multiplication?

• Triangle Method

• Circle Method

• Box Method

• Grid Method

When multiplying complex numbers, how should the imaginary unit 'i' be treated?

• As a constant

• As a variable

• As a coefficient

• As a fraction

What is the value of i squared in complex numbers?

• -1

• 0

• i

• 1

What is the final simplified form of the expression 6 - 5i - 4i^2?

• 2 - 5i

• 10 - 5i

• 10 + 5i

• 6 - 9i