Question

Сократите дробь:
а) ax+ay-bx-by
_______________
x²+xy

Answer 1

$\frac{ax+ay-bx-by}{x^2+xy}= \frac{a(x+y)-b(x+y)}{x(x+y)}= \frac{(a-b)(x+y)}{x(x+y)}= \frac{a-b}{x}$