Factoring Cubic Polynomials

Factor completely:
2x³ + 5x² - 8x - 20

• (x² - 4)(2x + 5)

• (2x - 5)(x² + 4)

• (2x² - 4)(x + 5)

• (x - 2)(x + 2)(2x + 5)

Factor Completely:

2n³ + 7n² - 2n - 7

• cannot be factored

• (n - 1)²(2n + 7)

• (n² - 1)(2n + 7)

• (n + 1)(n - 1)(2n + 7)

Factor completely:
x³+7x²-2x-14

• (x²-2)(x-7)

• (x²+2)(x-7)

• (x²+2)(x+7)

• (x²-2)(x+7)

Factor: 8x³ - 1

• (2x - 1)(4x² + 2x + 1)

• (2x + 1)(4x² - 2x + 1)

• (2x - 1)(4x² - 2x - 1)

• (2x + 1)(4x² +2x + 1)

What is the factored form for the following cubic function?

• x(x - 3)(x - 4)

• x(x + 3)(x + 4)

• x(x - 3)(x + 4)

• (x + 3)(x - 3)(x - 4)

Solve by factoring: 3x³ + 15x² + 30x = 0

• 3, -3, -2

• 0, -2, -3

• 0, 2, 3

• 0, -6, 1

Solve by factoring x³ + 9x² + 18x = 0

• 0, -6, -3

• 0, -9, 2

• 0 6, 3

• -6, -3

Solve by factoring: 3x³ + 21x² + 30x = 0

• 3, -3, -2

• 0, -2, -3

• 0, 2, 3

• 0, -6, 1

What is the factored form for the following cubic function?

• 2x(x - 3)(x - 4)

• x(x + 3)(x + 4)

• x(x - 3)(x + 4)

• (x + 3)(x - 3)(x - 4)

Solve by factoring:

x³ + 3x² - 4x -12 = 0

• 4, -3

• 2, 3, -2

• 2, -3

• -2, -3, 2