Сократите дробь. 1) 5x/x^2+3x 2) X^2 - y^2/2x-2y

Question

Сократите дробь.
1)
5x/x^2+3x
2)
X^2 - y^2/2x-2y

Answer 1

Решение
1) 5x/(x² + 3x) = 5x/x(x + 3) = 5/(x + 3)
2)( x² - y²)/(2x - 2y) = (x - y)(x + y)/2*(x - y) = (x + y)/2