SOLUTION: Hi, simplify (3b^-4)^2 simplify x^4b+2(x^5b)

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Question 903117: Hi,
simplify
(3b^-4)^2
simplify
x^4b+2(x^5b)
Answer by AlgebraLady88(44) About Me  (Show Source):
You can put this solution on YOUR website!
(3 b ^ -4 ) ^ 2
= (3)^2 * ( b ^ -4 ) ^ 2
= 9 * b ^ -8
= 9/ b ^8
x ^ 4b + 2 ( x ^ 5b)
= x ^ 4b + 2 x ^ 5b
= x ^ 4b ( 1+ 2 x ^ b)