SOLUTION: Factor the polynomial completely. To begin, state which method should be applied as the first step, given the guidelines of the section. Then continue the exercise and factor each

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Factor the polynomial completely. To begin, state which method should be applied as the first step, given the guidelines of the section. Then continue the exercise and factor each       Log On


   

Question 92551: Factor the polynomial completely. To begin, state which method should be applied as the first step, given the guidelines of the section. Then continue the exercise and factor each polnomial completely.
m^4 - 9n^4
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
m^4 - 9n^4
= (m^2+3n^2)(m^2-3n^2)
= (m^2+3n^2)(m + (sqrt3)n)(n - (sqrt3)n)
Cheers,
Stan H>