Zapisz w jak najprostszej postaci (3x+2)(x-4)-3x(x-5)=
Dziękuję.
(3x+2)(x-4)-3x(x-5)=3x^+2x-12x-8-3x^+15=-10x+7
(3x+2)(x-4)-3x(x-5)=3x²-12x+2x-8-3x²+15x=5x-8
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(3x+2)(x-4)-3x(x-5)=3x^+2x-12x-8-3x^+15=-10x+7
(3x+2)(x-4)-3x(x-5)=3x²-12x+2x-8-3x²+15x=5x-8