Question

Dati factor comun in urmatoarele expresii:
8a+8b
15a-7a
6x+6y-6z
50a-25a
3x+5x-2x
12a-16b
18x-12z+24t
9x+9y+9z-9a
5x+10y-15a
18a-27b
8xy-8xz
3xa+5xa-2xa
​

Answer 1

8 ( a+b)

a (15-7) = a • 8 = 8a

6 (x+y-z)

25a ( 2-1) = 25a •1 = 25 a

x ( 3+5-2)= x • 6 = 6x

a (12-16) = a • (-4) = -4a

3 ( 6x-4y+8t )

9( x+y+x-a)

5( x+2y-3a)

9( 2a-3b)

8x ( y-z)

xa ( 3+5-2) = xa • 6 = 6xa