Сократите дробь 50-2a^2 15a+75 1) 10+a 2) 10-2a 3) 10-2a 15. 15. 5

3a - 15/3= a-5
16a- 2b/8a - b = 2(8a-b) / (8a-b) = 2
10-6a/3a-5 = - 10- 6a / 5-3a = -2(5-3a) / 5-3a = - 2
c-5 / 4c - 20 = c-5 / 4(c-5) = 1/4
4a-b / 2b - 8a = - 4a - b / 2( 4a - b) = - 1/2