In Exercises 7 to 12, simplify by using the FOIL method ofmultiplication.7. (x + 3)(x + 4)8. (х5)(x7)9. (2x + 5)(3x – 2)10. (3x + 7)(2x + 3)11. (a + b)? + (a – b)?12. (x + 2)2 – (x – 2)²

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Answered: In Exercises 7 to 12, simplify by using…

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter85: Hexadecimal Numeration System

Section: Chapter Questions

Problem 5A

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In Exercises 7 to 12, simplify by using the FOIL method of multiplication. 7. (x + 3)(x + 4) 8. (х 5)(x 7) 9. (2x + 5)(3x – 2) 10. (3x + 7)(2x + 3) 11. (a + b)? + (a – b)? 12. (x + 2)2 – (x – 2)²