7. GLEICHUNGEN MIT UND OHNE NEGATIVE KLAMMERN

(1)

Gemischte Aufgaben mit und ohne negative Klammern

1.) (4x - 3)(3x + 4) + (2x - 3)(3x + 7) = (9x + 1)(2x + 1) x = 34

2.) (5x - 3)(4x - 5) + (6x - 4)(4x - 5) = (11x - 8)(4x - 5) + 11 x = 1

3.) (6x - 4)(5x + 4) - (3x - 2)(4x + 2) = (6x - 5)(3x + 2) + 16 x = 3

4.) (6x - 3)(4x + 5) + (3x - 4)(6x + 4) = (7x - 3)(6x + 2) + 5 x = 2

5.) (3x - 7)(5x - 3) + (x + 3)(3x - 4) = (3x - 8)(6x - 5) + 41 x = 3

6.) (7x + 9)(3x - 2) - (5x + 4)(3x - 1) = (3x + 5)(2x - 2) x = 2

7.) (3x - 2)(4x - 1) - (2x - 1)(3x - 2) = (6x - 5)(x - 1) + 2 x = 1

8.) 4(13x - 4) + (4x - 1)(3x + 1) = (6x + 5)(2x + 3) -7 x = 1

9.) (10x - 8)(6x - 4) - (9x - 7)(5x - 3) = (5x - 8)(3x - 6) + 19 x = 2

10.) (5x - 2)(4x + 4) - (3x - 4)(4x + 5) = (4x - 3)(2x + 3) + 42 x = 2

11.) (8x - 5)(3x + 6) - (4x - 3)(5x + 7) = (4x - 1)(x + 2) +19 x = 2

12.) (3x + 4)(4x + 1) - (2x + 3)(x + 3) = (5x + 2)(2x + 1) x = 7

(2)

13.) (3x - 2)(4x - 5) + (4x - 3)(2x - 4) = (5x - 5)(4x - 6) +12 x = 2

14.) (4x + 5)(3x - 1) + (5x + 4)(2x - 1) = (11x + 1)(2x + 1) x = 10

15.) (3x + 5)(2x - 3) - (2x + 4)(x - 2) = 16 - (4x + 2)(1 - x) x = 7

16.) (3x + 5)(2x + 4) - (2x + 1)(3x + 2) = 2(5x + 19) x = 4

17.) (6x + 5)(5x + 6) - (4x + 5)(5x + 4) = (5x + 3)(2x + 2) + 40 x = 9

18.) (8x + 3)(6x + 1) - (9x + 2)(5x + 1) = (3x + 1)(x + 1) + 12 x = 4

19.) (3x + 4)(4x - 1) - (2x + 1)(3x - 2) = (3x + 2)(2x - 3) + 42 x = 2

20.) (5x + 3)(4x - 3) - (2x + 6)(2x - 1) = (4x + 4)(4x - 3) x = 1

21.) (7x + 6)(5x - 4) - (3x + 2)(x - 1) = (8x + 5)(4x - 3) x = 1

22.) (x + 2)(3x - 4) - (x + 3)(x - 2) = (2x + 3)(x - 5) +29 x = 2

23.) (6x + 5)(3x + 4) - (4x + 5)(4x + 3) = 5x² - 3(x² - 11) x = 4 24.) (4x + 3)(7x + 5) - (6x + 4)(3x + 3) = (5x + 2)(2x + 1) + 41 x = 20

25.) (3x + 5)(2x - 3) - (3x + 6)(2x - 4) = 2(x + 5) - 3(x - 1) x = 2

(3)

26.) (5x + 3)(4x - 2) - (4x + 2)(3x - 1) = (4x + 6)(2x - 4) + 40 x = 5