Question 1009876

{{{7x^2 = 2+5x}}}

{{{7x^2-5x-2=0}}}

{{{7x^2-7x+2x-2=0}}}

{{{(7x^2-7x)+(2x-2)=0}}}

{{{7x(x-1)+2(x-1)=0}}}

{{{(7x+2)(x-1)=0}}}

solutions:

if {{{(7x+2)=0}}}=>{{{7x=-2}}}=>{{{highlight(x=-2/7)}}}
if {{{(x-1)=0}}}=>{{{highlight(x=1)}}}