## Algebra 1: Common Core (15th Edition)

You are given (5$x^{?}$$)^{2}=25x^{-4}.Solve for the blank: 5^{2}(x^{?}$$)^{2}$=$25x^{-4}$ -multiply exponents when raising a power to a power and simplify- $25x^{2?}$=$25x^{-4}$ -write as a non-exponential equation since they have the same base- 2?=-4 -divide both sides by 2- ?=-2 The blank is -2