Use the Method of Completing the Square to Solve the Quadratic

question 29

Short Answer

Use the method of completing the square to solve the quadratic equation. x 2 + 12 x $-$ 9 = 0 Please enter your answer as two numbers, separated by a comma.

---

Definitions:

Flowering Plants

Plants belonging to the group Angiosperms, characterized by bearing flowers and seeds enclosed within a fruit.

Conifers

A group of cone-bearing seed plants with vascular tissue, mostly evergreens, that include pines, spruces, and firs.

Age

A measurement of the length of time an individual, organism, or object has existed, typically expressed in units such as years, months, or days.

Twig

A small, slender branch of a tree or shrub, often representing the growth of the current or previous year.