Solve Polynomial Review

Which of the following is a 3^rd degree trinomial?

• 5 - 4x⁵+ x

• 6x³ - 7 + 3x⁴

• 9x² + 3x²y

• 8x - x² + 4x³

Find the difference. 
(3- 2x + 2x²) - (4x -5 +3x²)

• x_² + 6x + 8

• 2x² + 5x - 7

• -x² -6x + 8

• -2x² + 11x - 4

Simplify:
5x(4x³ + 8) - 4x

• 9x⁴ + 40x

• 20x⁴ + 36x

• 20x⁴ - 20x² + 40

• 20x⁴ + 20x

Simplify the following expression.
5a(-3a² +  4a - 5 + 6a³) + 2(-3a + 4 + 10a² )

• -6a³ + 13a²+ + 4a + 9

• 30a⁴ + 5a³ + 7a² + 4a - 1

• -21a³ + 13a² + 4a - 1

• 30a⁴ - 15a³ + 40a² - 31a + 8

Find the product:
(y - 3)(y + 7)

• y² - 21

• y² + 10x - 21

• y² + 4y - 21

• 2y - 10

Find the product:
(n - 5)(n - 1)

• n² - 5n + 5

• n² - 6n + 5

• n² + 5

• n² + 6n + 5

Multiply:
(r + 7)(r − 7)

• r ² − 49 

• r ² + 14

• r ² − 7r + 49 

Simplify
(p − 8)²

 Hint: (p − 8)² = (p − 8)(p − 8)

• p ² − 16p − 64 

• p ² + 16p + 64 

• p ² − 16p − 8

• p ² − 16p + 64 

Find the product:
(3x – 1)(x + 5) 

• 3x² + 4x + 5

• 3x² + 4x - 5

• 3x² + 14x + 5

• 3x² + 14x - 5

Find the product:
(3x + 2)(2x + 4)

• 6x² + 16x + 8

• 5x² +11x + 6

• 5x² + 16x + 6

• 6x² + 11x + 8