Задача Задача №675036
А
А
(8х+10) (3-х) =(11-2х) (4х+5) -5
24x - 8x^2 + 30 - 10x = 44x + 55 - 8x^2 - 10
-8x^2 + 14x + 30 = 44x + 55 - 8x^2 - 10
14x + 30 = 44x + 45
-30 = 30x
x = -1
(8х+10) (3-х) =(11-2х) (4х+5) -5
24x - 8x^2 + 30 - 10x = 44x + 55 - 8x^2 - 10
-8x^2 + 14x + 30 = 44x + 55 - 8x^2 - 10
14x + 30 = 44x + 45
-30 = 30x
x = -1
