Question

(x+5) (x-2) - x (x+3)​

Answer 1

Объяснение:

$(x + 5)(x - 2) - x(x + 3) = x {}^{2} - 2x + 5x - 10 - x {}^{2} - 3x = - 2x + 5x - 10 - 3x = 0 - 10 = - 10$

Answer 2

Ответ:

Объяснение:

$(x+5)*(x-2)-x*(x+3)\\x^{2} -2x+5x-10-x^{2} -3x\\-2x+5x-10-3x\\0-10\\x=-10$