Question 1175001


{{{4x^2-13x+9=0}}} ....factor

{{{4x^2-4x-9x+9=0}}}

{{{(4x^2-4x)-(9x-9)=0}}}

{{{4x(x-1)-9(x-1)=0}}}

{{{(x - 1) (4x - 9) = 0}}}

solutions:

if {{{(x - 1) = 0}}}=>{{{x=1}}}

if {{{  (4x - 9) = 0}}}=>{{{4x=9}}}=>{{{x=9/4}}}