Question 153351
Solve for a, by applying the square root property:
{{{(a-2)^2 = 8}}} Take the square root of both sides of the equation:
{{{(a-2) = 0+-sqrt(8)}}} add 2 to both sides:
{{{a = 2+-sqrt(8)}}} Simplify the right side.
{{{a = 2+2sqrt(2)}}}or {{{a = -2sqrt(2)}}}