Question

(1/3x - y)(y+1/3x)
алгебра​

Answer 1

$(\frac{1}{3} x - y)(y + \frac{1}{3} x) = (\frac{1}{3} x - y)(\frac{1}{3} x + y) = \frac{1}{9} {x}^{2} - {y}^{2}$

Answer 2

Ответ:

$(\frac{1}{3}x-y)(y+\frac{1}{3}x) =\frac{1}{9}x^{2} -y^{2}$