SOLUTION: Factor. 8x^4-50

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Question 634683: Factor.
8x^4-50
Found 2 solutions by ewatrrr, nyc_function:
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

8x^4-50= 2(4x^2 - 25) = 2(2x-5)(2x+5)

Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
We factor out a 2.
We divide 8x^4 - 50 by 2 one term at a time.
8x^4 divided by 2 = 4x^2
Then -50 divided by 2 = -25
2(4x^2 - 25) =
What lies in the parentheses is the difference of two perfect squares.
So, 4x^2 - 25 becomes (2x - 5)(2x + 5).
The final answer is three factors:
2(2x - 5)(2x + 5)