SOLUTION: reverse foil or grouping 16x^4-81

SOLUTION: reverse foil or grouping 16x^4-81

Algebra.Com

Question 299376: reverse foil or grouping
16x^4-81
Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
16x^4-81
You can start with...
(4x^2 +9)(4x^2 -9)
And keep going...
(4x^2+9)*(2x+3)(2x-3)
RELATED QUESTIONS
reverse foil/or trial factoring/solve... (answered by checkley77)

reverse foil or grouping... (answered by jim_thompson5910)

reverse foil or grouping 5x^2+11x-12 (answered by jim_thompson5910)

reverse foil or grouping... (answered by jim_thompson5910)

reverse foil or grouping... (answered by jim_thompson5910)

trial factoring or reverse foil... (answered by jim_thompson5910)

trial factoring or reverse foil x^2+9x+14 (answered by jim_thompson5910)

reverse foil or trial factoring... (answered by jim_thompson5910,checkley77)

reverse foil or trial factoring... (answered by jim_thompson5910)