nomor 2 donggg pls bgt kaka shifu shifu

(5-2logx)logx = log 1000
5logx - 2log^2 x = 3
misalkan log x = m

5m - 2m² = 3
2m² - 5m + 3 = 0
(2m-3)(m-1) = 0
m1 = 3/2 atau m2 = 1
log x1 = 3/2 atau log x2 = 1
x1 = 10^(3/2) atau x2=10
x1^2 + x2^2 = 10^3 + 10^2
= 1000 + 100
= 1100

jawabannya E