Question

Factor the expression over the complex numbers.


y^2+7

Answer 1

Factor the expression over the complex numbers.


y^2+7w
Torturing——5838

Answer 2

(y - i
`√(7)`)(y + i
`√(7)`)

Explanation:

Factor as a difference of squares, that is

y² + 7

= y² - (i
`√(7)` )²

= (y - i
`√(7)`)(y + i
`√(7)`)