Question

Factor x2 + 64. Check your work.

Answer 1

Factor x^2 + 64. Check your work.

Answer 2

I'm sure you're aware of the differences of two squares:

\( a^2 - b^2 = (a+b)(a-b)\)

However, for your question you need to use

\( a^2 + b^2 = (a+bi)(a-bi)\)

i is the imaginary number \(\sqrt{-1}\)

Answer 3

Ok so (x+8i)(x-8i)

Answer 4

That's correct!

Answer 5

Why is it not letting me close the post

Answer 6

it did the same to me lol

Answer 7

Oof

Answer 8

Seems like there's a bug with the close button. You can ask your question in another subject and then I can move it to mathematics for you

Answer 9

Ok