Find all xxx such that 2x2=2x+22^{x^2} = 2^{x+2}2x2=2x+2.
x=0x = 0x=0 only
x=−1x = -1x=−1 or x=2x = 2x=2
x=2x = 2x=2 only
x=1x = 1x=1 or x=−2x = -2x=−2