10Х+15Х-7Х+10=4
18Х=4-10
18Х=-6
Х=-6:18
Х=-1/3
(5/ (3-х) - 4х) : (4х^2 - 12x + 5)/ (x - 3)^2 = (x - 3)^2
1) 5/(3 - x) - 4x = 5 - 4x(3 - x) = 5 - 12x + x^2
2) (5 - 12x + x^2) : (4x^2 - 12x + 5)/ (x-3)^2 =
= (5 - 12x + x^2) * (x - 3)^2 : (4x^2 - 12x + 5) = (x - 3)^2
Ответ:30
Пошаговое объяснение:11ц 2/3=35/3
35/3 : 7/18=5/1 : 1/6=5*6=30