Question 157863
{{{ m^3 - 7m^2 + 4m - 28 }}}
{{{m^2(m - 7) + 4(m-7) }}}
{{{(m^2+4)* (m-7)}}}
Now use the quadratic equation (or not depending on what your teacher is asking you to do) to solve {{{m^2+4}}}