Exercises 17-24: Solve the quadratic equation. 17. x - x - 20 = 0 18. -5x - 3x = 0 19. 422 - 7 = 0 20. 25:2 = 9 21. -2r - 31 + 14 = 0 22. x(6 – x) = -16 23. 0.1x² – 0.3x = 1 24. (k + 2) = 7

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Exercises 17-24: Solve the quadratic equation.
17. x - x - 20 = 0
18. -5x - 3x = 0
19. 422 - 7 = 0
20. 25:2 = 9
21. -2r - 31 + 14 = 0 22. x(6 – x) = -16
23. 0.1x² – 0.3x = 1
24. (k + 2) = 7
Transcribed Image Text:Exercises 17-24: Solve the quadratic equation. 17. x - x - 20 = 0 18. -5x - 3x = 0 19. 422 - 7 = 0 20. 25:2 = 9 21. -2r - 31 + 14 = 0 22. x(6 – x) = -16 23. 0.1x² – 0.3x = 1 24. (k + 2) = 7
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