SOLUTION: Factor completely: 81a^4-81b^4

Algebra.Com
Question 425652: Factor completely:
81a^4-81b^4

Found 2 solutions by dnanos, lwsshak3:
Answer by dnanos(83)   (Show Source): You can put this solution on YOUR website!
=
=
=
=
=


Answer by lwsshak3(11628)   (Show Source): You can put this solution on YOUR website!
Factor completely:
81a^4-81b^4
difference of two squares:
=(9+a^2+9b^2)(9+a^2-9b^2)
=(9+a^2+9b^2)(3a+3b)(3a-3b)

RELATED QUESTIONS

factor completely.... (answered by Alan3354)
Factor the binomial completely. 256a^4 −... (answered by Boreal)
Factor each polynomial completely. A^4-81b^4 8-2x^2 (answered by romerr1)
factor completely.... (answered by Alan3354)
Please help factor completely {{{... (answered by fractalier)
use the difference of squares rule to factor the following expression:... (answered by nerdybill)
Factor completely. 16x2 –... (answered by jim_thompson5910)
Simplify (81a^8b^2)1/4 (answered by tommyt3rd)
rational expression to work on and factor polynomials completely: 81b^2-16 _________ (answered by MathLover1)