December 2018 1 19 Report
Bardzo ! bardzo ważne ! Iloczyn sum algebraicznych
[2( x^{2} - 5x -3) - 3 (x-2)(x+4)](x-1)
(x+2)[5(x-1)(x+3)-2( x^{2}+ 4x - 9)]=
2(-3a-4b)-3(a+2b)+4(2a+3b)=
proszę o pomoc ! Daje naj !!!

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