Solve the following exponential equation for xxx: (49)x−1⋅(278)x+2=8116\left(\frac{4}{9}\right)^{x-1} \cdot \left(\frac{27}{8}\right)^{x+2} = \frac{81}{16}(94)x−1⋅(827)x+2=1681
x=−4x = -4x=−4
x=−2x = -2x=−2
x=2x = 2x=2
x=4x = 4x=4