Determine the Constant That Should Be Added to the Binomial $$x ^ { 2 } - 10 x + 29 = 0$$

Multiple Choice

Determine the constant that should be added to the binomial so that it becomes a perfect square trinomial. Then
write and factor the trinomial.
- $$x ^ { 2 } - 10 x + 29 = 0$$

A) $\{ 5 \pm 2 \mathrm { i } \}$
B) $\{ 5 \pm 4 \mathrm { i } \}$
C) $\{ 5 + 2 i \}$
D) $\{ 3,7 \}$