Question 1092862
x and x+7


{{{x(x+7)=638}}}------can you do the rest?


-


{{{x^2+7x=638}}}
{{{x^2+7x-638=0}}}
{{{x^2+7x-2*11*29=0}}}
{{{x^2+7x-22*29=0}}}------notice {{{29-22=7}}}.
{{{(x-22)(x+29)=0}}}


The two numbers can be 22 and 29
or
-29 and -22.