Решите уравнение (3 х+5) (х+7) = (3 х+5) (2 х-1)

(3 х+5) (х+7) - (3 х+5) (2 х-1) = 0

(3x + 5) * (x + 7 - (2x - 1)) = 0

(3x + 5) * (x + 7 - 2x + 1) = 0

(3x + 5) * (8 - x) = 0

3x + 5 = 0

3x = - 5

x = - 5/3 = - 1 ц 2/3

8 - x = 0

- x = - 8

x = 8