Zacharybugarinviz
Answered

are all polynomioal expressions factorable?cite an example to defend your answer.

Sagot :

SugoiOverloadviz
No. x² + 1 for example. If we equate it to 0, and use the quadratic formula to get its roots, we get x = +-i. Thus x² + 1 = (x + i)(x - i).  Not exactly what we're looking for, is it?