High-Q | יסודות מתמטיים

יסודות אלגבריים לפסיכומטרי

כפל רב א י

ברים

וכפ ל וכנס א י ברים דומים:

13. 2(3 - x) – 5(y - 1) + 8(x + y)

1.

2(a -2)

14. 4(x + 2) - 2(y - 1) – 3(x – y)

2.

3(b -1)

5(x 2 + 2x + 1) – 2(x 2 + 5x - 2)

2(x 2 - 4x + 6)

15.

3.

2(x 2 – 4x - 3) – 3(x 2 – 5x - 2)

16.

4.

3( -x + 5y - 2)

17. x(x - 5)

5.

5(a - 3) + 4(a + 1)

18. 2x(4x - 1)

6.

8(2b - 1) – 3(b - 1)

19. a(3b - c)

7.

5(x - 3) – 3(2x - 5)

21. (k – 2m)b

8.

6(x – 1)+3(3 – 2x)

21. x(x - 2) + x(x + 3)

9.

7(x - y) – 2(x + y)

22. 3x(2x + 1) – 4x(x + 1)

11. 4(x - 2y) – 3(2x - y)

(3x - 4)x – 3(x 2 – 2x)

23.

11. 4(a - 1) – 2(a - 3) + 5(a - 2)

2x(3x - 5) – 5(x 2 – 2x)

24.

12. 3(2m - 7) – 4(1 – 3m) – 5(4m - 5)

וכפ ל וכנס א י ברים דומים: ) וכפ ל רב איבר ברב איבר (

38. (6x -1)(2x - 3)

25. (x + 5)(x + 2)

39. (7a – 4b)(3a + 2b)

26. (x - 4)(x + 3)

41. 3(x - 2)(x + 4)

27. (a + 7)(a - 1)

41. 2(x + 1)(x - 3)

28. (x + 6)(x – 6)

42. 4(2a - 1)(3a + 1)

29. (x + 4)(x + 4)

x(x 3 - 2)

43.

31. (a – 8b)(a – 3b)

x(x 2 – 4x + 3)

44.

31. (2 – x)(x + 4)

2x 2 (x 2 – 5x + 2)

45.

32. (6 – x)(x + 1)

x 2 (5x 3 – x 2 )

46.

33. (a – b)(c + d)

x 3 (x 2 – 4x + 2)

47.

34. (2x + 3)(x – 2)

3x 4 (x 2 – 2x + 1)

48.

35. (3x + 1)(x - 5)

49. (x + 2)(x + 3) – (x + 1)(x - 1)

36. (ax + 1)(x - 2)

51. (x - 4)(x + 1) – (x - 2)(x - 1)

37. (5x – 4)(4x + 1)

32

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