x = 2,5
x = -5
Объяснение:
x(2x - 5) + 5(2x - 5) = 0
(2x - 5)(x + 5) = 0
2x - 5 = 0 или x + 5 = 0
2x = 5 x = -5
x = 5/2
(2x -5)(x+5)=0
2x-5='0
x = 2,5
x = -5
Объяснение:
x(2x - 5) + 5(2x - 5) = 0
(2x - 5)(x + 5) = 0
2x - 5 = 0 или x + 5 = 0
2x = 5 x = -5
x = 5/2
x = 2,5
(2x -5)(x+5)=0
2x-5='0