Question 105083
Solve:
1)
{{{x^2+8x-20 = 0}}} Factor this trinomial.
{{{(x+10)(x-2) = 0}}} Apply the zero products principle:
{{{x+10 = 0}}} or {{{x-2 = 0}}}
{{{x+10 = 0}}} Subtract 10 from both sides., so...
{{{x = -10}}} 
{{{x-2 = 0}}} Add 2 to both sides.
{{{x = 2}}}
2)
{{{x^2+16x+60 = 0}}} Factor this trinomial.
{{{(x+10)(x+6) = 0}}} Apply the zero products principle.
{{{x+10 = 0}}} or {{{x+6 = 0}}}
{{{x+10 = 0}}} Subtract 10 from both sides.
{{{x = -10}}}
{{{x+6 = 0}}} Subtract 6 from both sides.
{{{x = -6}}}