Tìm cặp số nguyên x; y

To solve this equation, we need to find values for x and y that satisfy the equation (x-3)(y+4) = 360.

Expanding the left side of the equation, we get:

xy + 4x - 3y - 12 = 360

Rearranging the terms, we get:

xy - 3y + 4x = 372

Now, we need to find values for x and y that satisfy this equation. Since there are infinite solutions to this equation, we can choose arbitrary values for one variable and solve for the other variable.

Let's choose x = 12:

12y - 3y + 48 = 372
9y + 48 = 372
9y = 324
y = 36

Therefore, one possible solution to the equation (x-3)(y+4) = 360 is x = 12 and y = 36.