Question 946521
Well, we can check.
{{{(2(4)^2+5(4)-3)/(2(4)^2)=4-1}}}
{{{(2(16)+20-3)/(2(16))=3}}}
{{{(32+20-3)/32=3}}}
{{{49/32=3}}}
False, so no {{{x=4}}} is not a solution.