Math Homework 9

Find the zeros of F(x) and state their multiplicity.

1. F(x) = (x² + x - 12)^3 (x²-9)²
2. F(x) = (6x² + 7x - 5)^4 (4x² - 1)²
3. F(x) = x^4 + 7x² - 144
4. F(x) = x^4 + 7x^3 + 13x² - 3x - 18
5. F(x) = x^6 - 4x^5 + 5x^4 - 5x² + 4x - 1
6. F(x) = x^4 - 9x^3 + 22x^2 - 32