Question

exponent
${4}^{x } - 3 \times {2}^{x + 2} + {2}^{5} = 0$

Answer 1

4​^x​​−3×2​^x+2​​+2​^5​​=0 
2^2*x-3*2^x*4+32=0
let 2^x=y
y^2-12y+32=0
y=8,4
y=2^3, 2^2
therefore,
x=2,3