Question

Quick question please!!!
Factor the expression over the complex numbers.
x^2+20


Only correct answers ASAP please :))

Answer 1

x^2+20
using quadratic formula
-0 +- √0-4*1*20/2
+-√-80/2
-+iota 2√5
hope it helps you out

Answer 2

x² + 20

= (x)² + (√20)²

Using identity

a² + b² = (a + b)² - 2ab

= (x + √20)² - 2(x)(√20)

= (x + 20)² - 2(x)(√2 × 2 × 5)

= (x + 20)² - 4√5x

Hope this helps you.