Question

The expression x2 + 4
A. Can be factored
B. Cannot be factored

Answer 1

What do you think?

Answer 2

Do you take complex numbers?

Answer 3

Do you know what is complex number?

Answer 4

no i havent taken tht yet

Answer 5

Oh then it cannot be factored

Answer 6

ok thanks

Answer 7

Is that 2x+4 or \[x^2+4\]?

Answer 8

For Solving this Question, I would like to ask you that, do you have the detailed conception of : Factor theorem used in Algebra