Wykonaj działanie (x-3)(x+3)+(2+x)(2-x).... Question from @naczek6

August 2018 2 11 Report

Wykonaj działanie (x-3)(x+3)+(2+x)(2-x)

kostek95 (x-3)(x+3)+(2+x)(2-x) = x²-9+(4-x²) = x²-9+4-x²=-5

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MyJoass (x-3)(x+3)+(2+x)(2-x)=x(kwadrat)-9+4-x(kwadrat)=-5

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