Question 991925
.
x = the number
.
{{{2x^2+x=10}}}
{{{2x^2+x-10=0}}}
{{{(x-2)(2x+5)=0}}}
{{{x-2=0}}} {{{OR}}} {{{2x+5=0}}}
{{{x=2}}} {{{OR}}} {{{2x=-5}}}
{{{x=2}}} {{{OR}}} {{{x=-5/2}}}
Since we are asked for a whole number:
x=2
.
ANSWER: The number is 2.