Question 444005

{{{m^2+10m-9=2}}}

{{{m^2+10m-9-2=0}}}

{{{m^2+10m-11=0}}}.......{{{a=1}}}, {{{b=10}}}, {{{c=-11}}}


{{{m = (-10 +- sqrt( 10^2-4*1*(-11) ))/(2*1) }}}


{{{m = (-10 +- sqrt( 100+44 ))/2 }}}

{{{m = (-10 +- sqrt( 144 ))/2 }}}

{{{m = (-10 +- 12)/2 }}}

So your solutions are:

{{{m1 = (-10 + 12)/2 }}}

{{{m1 = 2/2 }}}

{{{highlight(m1 = 1) }}}

or

{{{m2 = (-10 -12)/2 }}}

{{{m2 = -22/2 }}}

{{{highlight(m2 = -11) }}}