101 Art Destinations in the U.S: Where Art Lives Coast to Coast

101 Art Destinations in the U.S: Where Art Lives Coast to Coast

Matematika jawab pertanyaan tersebut​

jawab pertanyaan tersebut​

Akar Persamaan
1.  x² + 6x +  5= 0
(x + 5)( x+  1) =0
x = - 5  atau  x  = -1

2. x² - 3x + 2= 0
(x - 1)(x - 2) =0
x=  1   atau  x= 2

3. x² - 6x -  7= 0
( x+  1)( x - 7) = 0
x= - 1   atau  x =  7

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