Simplify the Polynomial by Combining Like Terms $$\left( 12 x ^ { 2 } y - 9 x y + 7 \right) + \left( - 11 x ^ { 2 } y + 5 x y - 8 \right)$$

question 300

Multiple Choice

Simplify the polynomial by combining like terms.
- $$\left( 12 x ^ { 2 } y - 9 x y + 7 \right) + \left( - 11 x ^ { 2 } y + 5 x y - 8 \right)$$

• A) \(23 x ^ { 2 } y + 14 x y + 15\)
• B) \(- x ^ { 2 } y - 14 x y + 15\)
• C) \(- 4 x ^ { 3 } y ^ { 2 } - 1\)
• D) \(x ^ { 2 } y - 4 x y - 1\)

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Definitions:

Positive-Feedback Mechanisms

Biological processes in which a change leads to an even greater change in the same direction, often leading to a rapid completion of the process.

Superior

In anatomical terms, superior refers to a part of the body that is above or positioned higher relative to another part.

Inferior

A term used in anatomy to describe a structure or location that is below or lower than another part of the body; opposite of superior.

Posterior

Situated behind or at the back part of an organism or structure, opposite of anterior.