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For Exercises 39–64, multiply or divide as indicated.
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Beginning and Intermediate Algebra
- Exercises 38–40 will help you prepare for the material covered in the first section of the next chapter. In Exercises 38-39, simplify each algebraic expression. 38. (-9x³ + 7x? - 5x + 3) + (13x + 2r? – &x – 6) 39. (7x3 – 8x? + 9x – 6) – (2x – 6x? – 3x + 9) 40. The figures show the graphs of two functions. y y 201 10- .... -20- flx) = x³ glx) = -0.3x + 4x + 2arrow_forwardFor Exercises 19–26, simplify each expression and write the result in standard form, a + bi. 8 + 3i 19. 4 + 5i 20. -4 - 6i 21. 9 - 15i 22. 14 6. -2 -3 -18 + V-48 23. - 20 + V-50 14 - V-98 25. - 10 + V-125 24. 26. 4 10 -7arrow_forwardIn Exercises 3–4, use the order of operations to simplify each expression. 8 - 3? ÷ 9 |-5| - [5 - (18 - 6)]? 3. 4. 4 (2 – 9)° + 32 ÷ 1 + 3 5. Simplify: 3 - [2(x – 2) – 5x].arrow_forward
- For Exercises 19–22, write each expression as a product. (See Example 3)arrow_forwardFor Exercises 7–18, write each expression in terms of i and simplify. (See Example 1) 7. V-121 8. V-100 9. V-98 10. V-63 11. V-4V-9 12. V-IV-36 13. V-10V=5 14. V-6V-15 V-98 15. V-2 V-45 16. V-5 V-63 17. V-80 18. V5 Vīarrow_forwardFor Exercises 1–2, simplify the expression. 8! 1. 3! · 5! (2n + 1)! 2. (2n – 3)!arrow_forward
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage