Question 1182016


{{{-m(2m+2n)+3mn+2m^2 }}}

={{{-m*2m-m*2n+3mn+2m^2 }}}

={{{-2m^2-2mn+3mn+2m^2 }}}

={{{-cross(2m^2)-2mn+3mn+cross(2m^2) }}}

={{{-2mn+3mn }}}

={{{mn }}}


so, expression {{{-m(2m+2n)+3mn+2m^2 }}} is equivalent to expression {{{mn }}}