If we know that b(b^4 * b^5)^2 = b^x for all real numbers b, what is the value of x?
1) SImplify the insides of the parentheses (remember to add the exponents because we are multiplying).
2) Multiply by b. Treat it as \(b^1\) and do the same thing you did in step 1.
3) The exponent is your answer.