Задача Задача №133528
А
А
(3x-4)(2x+5) = 4x-14+(3x-2)
6x^2 + 15x - 8x - 20 = 4x - 14 + 3x - 2
6x^2 + 7x - 20 = 7x - 16
6x^2 + 7x - 7x - 20 + 16 = 0
6x^2 - 4 = 0
3x^2 - 2 = 0
Решение: x = ±√(2/3)
(3x-4)(2x+5) = 4x-14+(3x-2)
6x^2 + 15x - 8x - 20 = 4x - 14 + 3x - 2
6x^2 + 7x - 20 = 7x - 16
6x^2 + 7x - 7x - 20 + 16 = 0
6x^2 - 4 = 0
3x^2 - 2 = 0
Решение: x = ±√(2/3)