Сократите дробь
14xy–21y\7xy
m^2–9\2m+6
a^2–12a+36\36–a^2

14xy-21y/7xy = 7y(2x-3)/7xy = 2x-3/xm^2-9/2m+6 = (m-3)(m+3)/2(m+3) = (m-3)/2a^2-12a+36/36-a^2 = (a-6)^2/(6-a)(6+a) = - 6-a/6+a