spaceship789 spaceship789 21-07-2016 Mathematics contestada Factor. If the polynomial is not factorable write prime . 3. 3c^2-8c+5 5. 5y^2+4y-1 7. 5u^2-6u-2 9. 7x^2+8x+1 11. 5x^2-17x+6 SHOW STEPSfactoring pattern for ax^2+bx+c