Page 123 - Алгебра_7_сынып_КАЗ - 3 болим

special.edu.kz.
special.edu.kz.

Өрнекті ықшамдаңдар (34.13–34.14): special.edu.kz.

34.13. 1) 2a 3 92(a  1() a 2   )1a 2 ;


2) 
special.edu.kz.   a 1)  3 2   xx (b  1 2)(b 2 x    2     1 4 ) (b 1   3 a 3x (a  (x 1) ; ) 1 . special.edu.kz.
special.edu.kz.

) 9 ;
 x
 3

3) 3(b 
– 2b 
2
3
4) 
2
 a
  4a a
 1 a
34.14. 1)  x    2  2   2x x   x   4  x  3   3 x  42;


2) 
special.edu.kz.    2x  2  3 2 1 4x special.edu.kz. 1; 3 ; special.edu.kz.
2
 3x
x
 x
16
 ) 9
2
x
 (x



3) 

2
 1
2x
 4x
23
 2x


4) 16x  2  4x   5 4x 1 16 2 x 4x 1 .
 17
C
special.edu.kz.  6 x 2   1 special.edu.kz.  2(x 1) ; special.edu.kz.
34.15. Өрнекті ықшамдаңдар:
1) 

3
2
2
 x
1
 (x
 x
) 1
2) 5 (xx  2  3) 5(x 3   1)   15 x  2 (x ) 2 ;
3) (x  3  ) 2 x (3x 2  ) 1 (2x 1)( 2  4x  2x ) 1 .
121
special.edu.kz. special.edu.kz. special.edu.kz.