Write and simplify a polynomial expression that represents the length of the south side of the field. 𝟓𝒂 − 𝟑 𝒂 𝟐 − 𝟖 𝒂 𝟐 − 𝟓𝒂 + 𝟏� ####

Write and simplify a polynomial expression that represents the length of the south side of the field. 𝟓𝒂 − 𝟑 𝒂 𝟐 − 𝟖 𝒂 𝟐 − 𝟓𝒂 + 𝟏� ####

Instructions: Determine if the given expression represents a polynomial expression.x2+3x12𝑥2+3𝑥12Is it a polynomial?

An isosceles triangle has two sides of length $$11 cm.If the third side has a length of $$x cm, write an expression for the perimeter of the triangle.

Simplify the expression. What classification describes the resulting polynomial?(3x2 − 11x − 4) − (2x2 − x − 6)

Instructions: Simplify the polynomial expression.(5−5x2−x)−(6x−4x2−3)(5−5𝑥2−𝑥)−(6𝑥−4𝑥2−3)Answer: