Question

(12х+13y)(12x-13y)=​

Answer 1

Ответ:

$144x {}^{2} - 169y {}^{2}$

Объяснение:

Раскрываем скобки (перемножаем) и получаем выражение

$144x {}^{2} - 156xy + 156xy - 169y {}^{2}$

Answer 2

To simplify the expression (12x + 13y)(12x - 13y), we can use the formula for the difference of squares, which states that (a + b)(a - b) = a^2 - b^2. In this case, let's consider a = 12x and b = 13y.

(12x + 13y)(12x - 13y) = (12x)^2 - (13y)^2

Now, let's calculate the squares:

(12x)^2 = 144x^2 (13y)^2 = 169y^2

Substituting these values back into the equation, we get:

(12x + 13y)(12x - 13y) = 144x^2 - 169y^2

Therefore, the simplified expression is 144x^2 - 169y^2.