Use the completed X diagram to replace the x-term in the trinomial with two x-terms. x2 + x – 42 = x2 +
– 42

Next, use double grouping to factor the four terms.

= x(
)–
(x + 7)

=

To verify,
the factors.

Place each composer in his or her proper musical period. wite the correct letter in the blank. a. classical b. baroque c. romantic d. 20th century _14. johann sebastian bach _15. franz joseph haydn _16. fanny mendelssohn hensel _17. george frideric handel _18. ludwig van beethoven _19. wolfgang amadeus mozart _12. tutti _13. entrada _20. igor stravinski _21. henry purcell _22. diane warren _23. george bizet _24. antonio vivaldi _25. george gershwin