Question

Really need help! I don't understand this at all! I don't want it done for me, just explained. Thanks!

Which shows f(x) = x3 + 4x2 + 7x + 6 completely factored?

http://takeexam.next.ecollege.com/ec/pub/K12Content/Courses/resources/swfs/media/Ninth_Grade/Math/Unit19192/Lesson73276/Eqn001.gif

http://takeexam.next.ecollege.com/ec/pub/K12Content/Courses/resources/swfs/media/Ninth_Grade/Math/Unit19192/Lesson73276/Eqn002.gif

http://takeexam.next.ecollege.com/ec/pub/K12Content/Courses/resources/swfs/media/Ninth_Grade/Math/Unit19192/Lesson73276/Eqn003.gif

http://takeexam.next.ecollege.com/ec/pub/K12Content/Courses/resources/swfs/media/Ninth_Grade/Math/Unit19192/Lesson73276/E

Answer 1

here's a small hint... because you have x^3 you will factor it into 3 sets of (). so it will look like (x )(x )(x ). I'm assuming you understand how to factor. Hope this helps.

Answer 2

I do, just not with imaginary numbers.

Answer 3

http://www.coolmath.com/algebra/10-complex-numbers/02-factoring-the-sum-of-two-squares-01.htm this website will explain how to factor with imaginary numbers. hope it helps.

Answer 4

Thank you so much!!!