2^(2x+3) +2^(x+2)=2^2
2x+3+x+2=2
3x=-3
X=-1
x1+x2=4a
x1*x2=5a
x1²+2x1+x2=16a²
2x1*x2=10a
x1²+x2²=16a²-10a
16a²-10a-6=0
8a²-5a-3=0
D= 25+96= 121
a1= (5+11)/16= 1
a2= (5-11)/16= -3/8