Question 40974
{{{x^2 + 22x + 112 = 0}}}
or {{{(x^2 + 2*x*11 + 11^2) + 112 - 11^2 = 0}}}
or {{{(x + 11)^2 + 112 - 121 = 0}}}
or {{{(x + 11)^2 - 9 = 0}}}
or {{{(x + 11)^2 = 3^2 = 0}}}
or {{{(x+11) = sqrt(3^2)}}}
Either (x+11) = 3 or (x+11) = -3
Accordingly x = -8 or x = -14