Решите задачу:
(6x-5)(x+3)-(x-2)(3x-1)=(3x-1)(x+3) 6x^2+18x-5x-15-(3x^2-x-6x+2)=3x^2+9x-x-3 6x^2+13x-15-3x^2+7x-2=3x^2+8x-3 20x-17=8x-3 12x=14 x=14/12=7/6