Question 654121
 a linear factor ?

{{{2x^2 -x-6}}}......Replace {{{-1x}}} with {{{3x-4x}}}

{{{2x^2 +3x-4x-6}}}...group

{{{(2x^2 -4x)+(3x-6)}}}

{{{2x(x -2)+3(x-2)}}}

{{{(2x+3)(x-2)}}}.....linear factors 



if {{{2x+2>= 5x+11}}}...=>...{{{0>= 5x+11-2x-2}}}...=>...{{{0>= 3x+9}}}..=>...{{{0>= 3(x+3)}}}..=>...{{{0/3>= x+3}}}..=>...{{{-3>= x)}}}



if {{{x^2 -2x-8}}}  then {{{x}}} is 

{{{x^2 -2x-8=0}}}....Replace {{{-2x}}} with {{{-4x+2x}}}

{{{x^2 -4x+2x-8=0}}}

{{{(x^2 -4x)+(2x-8)=0}}}

{{{x(x -4)+2(x-4)=0}}}

{{{(x+2)(x-4)=0}}}

solutions:

if {{{x+2=0}}}....=>.....{{{x=-2}}}

if {{{x-4=0}}}....=>.....{{{x=4}}}