1) (0,5*2)^8=1^8=1
2) (2*5)^5=10^5=100000
3)(1:3*6)^6=2^6=64
4) (0,125*8)^9=1^9=1
5)16:9^11*9:16^12=1^11*1^12=1
6)2^-4=1:2^-4=1:16
(1-3x)^2=(3x+5)^2-96
1-6x+9x^2=9x^2+30x-71
-6x+9x^2-9x^2-30x=-71-1
-6x-30x=-71-1
-36x=-72
x=72\36
x=2
32 - 4X = X^2
X^2 + 4X - 32 = 0
D = 16 + 128 = 144 ; V D = 12
X1 = ( - 4 + 12 ) : 2 = 4
X2 = ( - 16 ) : 2 = ( - 8 )