Respuesta :
Answer:
x = - 6
Step-by-step explanation:
rearrange into standard form : ax² + bx + c = 0 : a ≠ 0
add 36 to both sides
x² + 12x + 36 = 0 ← in standard form
(x + 6)(x + 6) = 0 ← in factored form
(x + 6)² = 0, hence
x + 6 = 0 ⇒ x = - 6
Answer:
x = -6 (multiplicity 2)
Step-by-step explanation:
x^2 + 12x = -16.
Rearranging:-
x^2 + 12x + 36 = 0
We can factor this. Note +36 = +6 * +6.
So (x + 6)(x + 6) = 0
x = -6 (multiplicity 2).
