1Consider the expression,

(2x^3 + 5x)(^2 + 3x + 4) - (2 - x^2)

Is the expression a polynomial? Explain how you know without simplifying.

Simplify the expression.

2.A flowerbed is shaped like a rectangle. The length of the flowerbed is represented by the

expression, 4x - 2, and the width of the flowerbed is represented by the expression,

x^2+2

What expression represents the area of the flowerbed? Show your work.

What is the area of the flowerbed when x = 7 in.? Show your work.

Answer:

(Score for Question 3: of 5 points)

Multiply the polynomials,

(a^2+3a-7) and (2a^2 -a+ 4) simplify the answer. show

your work.