Question: Need help with questions 4-15 if someone could please help, pls show me work to learn how to to it myself Use the quadratic formula

Need help with questions 4-15 if someone could please help, pls show me work to learn how to to it myself

Use the quadratic formula to solve the equation. mount 4. x2 - 4x + 3 = 0 5. x + x - 1 =0 quli bing dedmu e United State 6. 2x2 + 3x + 5= 0 Score 0483 7. 9x2 + 6x - 1 = 0umber ofy 8. -x2 + 8x = 1 the amount 9. 5x2 - 2x + 37 = x2+ 2x Find the discriminant of the quadratic equation and give the number and type of solutions of the equation. shooting 10. x2 + 5x + 2=0 11. x2 + 2x + 5= 0 12. 4x2 - 4x + 1 = 0 13. -2x2 + 3x - 7 =0 14. 9x2 + 12x + 4 =0 15. 5x2 - x - 13 = 0

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