Question 549691
{{{2a^2-50 = 0}}} Factor a 2.
{{{2(a^2-25) = 0}}} Factor the binomial.
{{{2(a+5)(a-5) = 0}}} Apply the zero product rule:
{{{a+5 = 0}}} or {{{a-5 = 0}}} so...
{{{x = -5}}} or {{{x = 5}}}