SOLUTION: How would I factor the polynomial, b (to the 4th power)

SOLUTION: How would I factor the polynomial, b (to the 4th power) - 16

Question 650256: How would I factor the polynomial,
b (to the 4th power) - 16
Found 2 solutions by jim_thompson5910, sheldonbbtrocks:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
b^4 - 16

(b^2)^2 - 4^2

(b^2 - 4)(b^2 + 4)

(b^2 - 2^2)(b^2 + 4)

(b - 2)(b + 2)(b^2 + 4)
Answer by sheldonbbtrocks(115) (Show Source): You can put this solution on YOUR website!
Here is how to factor that is
Next, we need to be able to get the square root of 16, that is 4. We will use a positive and negative 4. Why, because -4*+4=-16

Hope this helps you!
Dr. Sheldon Cooper
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