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If we know that b(b^4 * b^5)^2 = b^x for all real numbers b, what is the value of x?

 Apr 12, 2021
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b(b^4 * b^5)^2 = b^x

b ( b4+5 )2

b ( b9*2)

b19 = bx                   x = 19

 Apr 12, 2021

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