How to simplify (x^3 + 3x + 1)^2

Simplificatation, evaluation, linear equations, linear graphs, linear inequalities, basic word problems, etc.
mitnord
Posts: 13
Joined: Mon Feb 23, 2009 11:17 pm
Contact:

How to simplify (x^3 + 3x + 1)^2

Postby mitnord » Thu Mar 26, 2009 1:35 am

Please, help me simplify this expression:

(x^3 + 3x + 1)^2

Thank you.

User avatar
stapel_eliz
Posts: 1738
Joined: Mon Dec 08, 2008 4:22 pm
Contact:

Postby stapel_eliz » Thu Mar 26, 2009 3:42 pm

mitnord wrote:(x^3 + 3x + 1)^2

Try doing the expansion vertically:

vertical multiplication:
x^3 + 3x + 1
x^3 + 3x + 1
--------------------------------
x^3 + 3x + 1
3x^4 + 9x^2 + 3x
x^6 + 3x^4 + x^3
--------------------------------

Then add down to obtain the product. :D


Return to “Beginning Algebra”

cron