Solving Higher Degree Polynomials by Factoring

Fully Factor the Following
216x³+125

• 6(x+5)³

• (6x+5)³

• (6x+5)(6x²-30x+25)

• (6x+5)(36x²-30x+25)

Determine the factored form and all zeros for the given polynomial: 2n³ + 7n² - 2n - 7 (HINT: GROUPING METHOD)

• cannot be factored

Find all zeros of the following function: x⁴ + 4x² - 32 (HINT: X-method)

• (2x - 1)(4x² + 2x + 1)

• (2x + 1)(4x² - 2x + 1)

• (2x - 1)(4x² - 2x - 1)

• (2x + 1)(4x² +2x + 1)

Solve the following equation:

x⁴ + x² - 90 = 0

• 3, -3, ±√10

• 3, -3

• ±√10

• 3

Factor the polynomial completely.

• A

• B

• C

• D