Question

(x-3)(x-4)-(x-5)(x-2)

Answer 1

${x}^{2} - 4x - 3x + 12 - {x}^{2} - 2x - 5x + 10$

Answer 2

Х^2-4х-3х+12-(х^2-2х-5х+10)
-7х+12+7х-10
2