log6(4x^2-18x)=2
log3(-x+5)<3

log6 (4x^2 - 18x) = 2log6 (4x^2 - 18x) = log6 (36)ОДЗ4x^2 - 18x > 0 x ∈ ( - ∞; 0) ∪ (4,5; + ∞)4x^2 - 18x = 364x^2 - 18x - 36 = 0   /:22x^2 - 9x - 18 = 0 D = 225 = 15^2x1 = ( 9 + 15)/4 = 6x2 = ( 9 - 15)/4 = - 1,5Ответ- 1,5;   6---------------------------------------------------------------log3 ( - x + 5) < 3 log3 (-  x+ 5 ) < log3 (27)ОДЗx < 5 - x + 5 < 27- x < 22x > - 22+ ОДЗx ∈ (  - 22;  5)Ответx ∈ (  - 22;  5)