SOLUTION: factor the following expression: 9x^4-4y^2

Algebra ->  Finance -> SOLUTION: factor the following expression: 9x^4-4y^2      Log On


   

Question 530358: factor the following expression: 9x^4-4y^2
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
9x^4-4y^2


(3x^2)^2-(2y)^2


(3x^2-2y)(3x^2+2y)


So 9x^4-4y^2 completely factors to (3x^2-2y)(3x^2+2y)