September 2018 1 13 Report

Doprowadź wyrażenia do najprostszej postaci:

a) (3x-4)(5x+1)-(3x-4)^+2(5x+1)^+(x-2)(x+2)=

b) (2a-5b)-4(2a+5b)^+(5b-3)(3b-2)-(2a-5)(2a+5)=

znak ^ oznacza podnoszenie do drugiej potęgi


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