Polynomial Practice

(x + 5)(x + 4)

• x² + x + 20

• x² + 20x + 9

• x² + 9x + 20

• x² - 9x + 54

(e - 3)(e² + 2e + 7)

• e³ - e² + e - 21

• e³ + 5e + 13e - 21

• e³ - 3e² + 7e - 21

• e² + 2e - 3

After you perform the given operation, what is the coefficient of the third term?

(5e + 2)(e² - 3e + 6)

Multiply: 5a²(7a³- 4a² + a - 2)

• 35a⁵ - 20a⁴ + 5a³ - 10a²

• 12a⁵ - 9a⁴ +5a³ - 7a²

• 35a⁶ -20a⁴ + 5a² - 10

(x³-x²+4) - (3x³-2x²+3)

• -2x³-3x²+7
• -2x³+x²+1
• 2x³-3x³-1
• 4x³-3x²+7

Find the sum.
(2x² + 5x - 7) + ( 3 - 4x² + 6x)

• 2x² + 3x +1
• -2x² - 11x -4
• 2x² + 5x -7
• -2x² + 11x -4

(3c²)(10c⁷)

• 13c⁹
• 30c⁵
• 30c⁹
• -30c⁹