Question

Упростить (х-4) (х+4)/ m²-36 : x²-4x/m²+6m-4m/mx-6x

Answer 1

1 е действие:

=(x-4)(x+4)*m(m+6)) /(m-6)(m+6)*x(x-4) =

=m(x+4) /x(m-6)

2 действие

=m(x+4) /x(m-6) - 4m/x(m-6) =

=(mx+4m -4m) /x(m-6) =

=mx /x(m-6) =m /(m-6)