how do you factor x^4-81 completley

solve it fully out
in Algebra 2 Answers by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

x^4-81=0

(x^2-9)*(x^2+9)=0

(x-3)*(x+3)*(x^2+9)=0

(x-3)*(x+3)*(x+3i)*(x-3i)
by

Related questions

1 answer
factorise this completley
asked Apr 5, 2013 in Algebra 2 Answers by anonymous | 620 views
1 answer
how do you factor 3x^3-81
asked Apr 12, 2014 in Algebra 2 Answers by kiga | 911 views
2 answers
how do i factor c^2+18c+81
asked Apr 27, 2012 in Algebra 2 Answers by anonymous | 889 views
1 answer
What is the scale factor if the area is 81?
asked May 27, 2014 in Other Math Topics by Double L | 924 views
1 answer
Factor the polynomial: 81-a^4
asked Jan 9, 2014 in Algebra 1 Answers by lizoxo Level 1 User (620 points) | 548 views
1 answer
What is the greatest common factor of 37 and 81
asked Sep 12, 2013 in Statistics Answers by rashawn | 666 views
1 answer
What is the greatest common factor of 63 and 81?
asked Apr 10, 2012 in Algebra 1 Answers by anonymous | 1.7k views
2 answers
how do you solve -81=26+n
asked Sep 30, 2013 in Other Math Topics by pleasehelpme Level 1 User (120 points) | 620 views
1 answer
how do you cross multiply 81/1 times 27/50
asked Jan 2, 2013 in Fraction Problems by anonymous | 598 views
0 answers
HOW DO YOU SOLVE 11R+81/2=2
asked Feb 26, 2012 in Pre-Algebra Answers by anonymous | 494 views
1 answer
11d=81-16d how do I do the formula for this equation
asked Oct 13, 2011 in Algebra 1 Answers by anonymous | 1.3k views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!

Most popular questions within the last 3000 days

  1. 50+50-25X0+2+2= (19)
  2. it takes 10 road workers 5 days to complete a road repair when working 2 hours a day.Working at the same pace,how many days will it take 2 people working 5 hours a day to finish it? (3)
  3. Solve 15 -1(12÷4+1)? (4)
  4. 8:4(5+2) (3)
  5. How can i represent 1/3; 3/3; 7/3; 10/3 and 15/3 on a number line? (1)

Most popular tags

87,516 questions
100,279 answers
2,420 comments
732,482 users