polinomi - sabiranje, oduzimanje, mnozenje, kvadrat binoma, razlika kvadrata
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polinomi matematika 7TRANSCRIPT
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VII
o 7/06/031
: ____________________________ :__________ : ____________
1. 25 3 1A x x= + , 2 4 3B x x= + 28 2 3C x x= + . :
1) A B C+ + =2) ( )B A C + =
2. :
1) 2 2(3 7 18) ( 9 2)x x x x+ , 2x = .2) 2 2 2 2(2 3 ) (3 6 7 )y xy x y xy x+ + , 1x = , 2y = .
3. :
1) ( ) 23 2x + =2) ( ) 25x + =3)
21 15x + =
4. :
1) ( ) ( ) ( )5 3 4 2 2x x x x + + =2) ( ) ( ) ( ) 23 1 3 2 4 1x x x + + =
5. :
( ) ( ) ( )23 2 3 4 3 4 4x x x + =