1. [2a-(-5b)]^2= (2a+5b)^2 - odpowiedź C2. (3x-2y)*(3x-2y)= (3x-2y)^2= 9x^2 - 12xy + 4y^2
C)(2a+5b)^2
Wyrażenie (3x-2y)*(3x-2y)=9x^2-12xy+4y^2
^2 - do potegi 2
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1. [2a-(-5b)]^2= (2a+5b)^2 - odpowiedź C
2. (3x-2y)*(3x-2y)= (3x-2y)^2= 9x^2 - 12xy + 4y^2
C)(2a+5b)^2
Wyrażenie (3x-2y)*(3x-2y)=9x^2-12xy+4y^2
^2 - do potegi 2