2wc2prfymn 2wc2prfymn 12-04-2024 Mathematics Answered Solve each equation by factoring. Simplify all irrational and complex solutions. 9. x^3+216=0 10. 24x^3 –81=0 11. x^3 = x^2+20x 12. x ^4+13x^2+40=0 13. x^4-x^2= x^2+8 14. 3x^4-8x^2+5=0 15. 4x^3+5x^2-16x-20=0