A polygon is a planar figure characterized by a limited number of straight-line segments joined to create a closed polygonal chain in geometry. The correct option is A.
<h3>What is a polygon?</h3>
A polygon is a planar figure characterized by a limited number of straight-line segments joined to create a closed polygonal chain in geometry. A polygon is defined as a bounded planar region, a bounding circuit, or both.
The sum of the two given polynomial can be done as,
(3x² - 5x + 2) + (5x² - 2x - 6)
= 3x² - 5x + 2 + 5x² - 2x - 6
= 3x²+5x² -5x -2x -6 +2
= 8x² - 7x - 4
Hence, the correct option is A.
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