4^(x + 2) = 200

ln(4^(x+2) = ln(200)

xln(4) + 2ln(4) = ln(200)

xln(4) = -2ln(4) + ln(200)

xln(4)/ln(4) = (-2ln(4) + ln(200))*1/ln(4)

x = (-2ln(4) + ln(200))* 1/ln(4)

x = -2ln(4) + ln(200)/ln(4)

= 1.04

What am I doing wrong?(Headbang)