Operations With Polynomials Review

Add or subtract the following polynomials:

Subtract: (2a² + 5a + 3) - (a² - 3a - 4)

• 3a² + 2a - 1

• a² + 8a + 7

• 3a² + 8a + 7

• a² + 2a - 1

x³(2x²+3x)

• 2x⁵+3x⁴

• 2x⁶+3x³

• 5x⁹

• 5x

(3c²)(10c⁷)

• 13c⁹

• 30c⁵

• 30c⁹

• -30c⁹

Find the sum.
(3y² + y³ - 5) + (4y² -4y + 2y³ + 8)

• 3y³ + 7y² - 4y + 3

• 4y² + 3y³ - y + 3

• -y⁴ + 2y³ -y - 4

• 4y³ + 3y² -3y + 1

Find the area of a rectangle with length (x - 5) and width (3x + 1).

• 3x²+16x-5

• 3x²-14x+5

• 3x²-14x-5

What is the value of the constant?
2x² + 4x − 5

• 2

• 4

• 5

• −5

(x + 3)(x + 7)

• x² + 10x + 21

• x² + 21

• x² + 4x + 21

• x² − 10x + 21

Multiply:
(r + 7)(r − 7)

• r ² − 49 

• r ² + 14

• r ² − 7r + 49 

• r − 49