Сократите дробь 5х^2-12х+4/6-15х

Question

Сократите дробь 5х^2-12х+4/6-15х

Answer 1

5x^2-10x-2x+4=5x(x-2)-2(x-2)=(x-2)(5x-2)
6-15x=3(2-5x)=-3(5x-2)
((x-2)(5x-2))/((-3(5x-2))=-3(x-2)=6-3x