October 2018 1 17 Report

Rozwiąż równania :
a)(x-1)2(do kwadratu -2x(x-1)(x+1)
b)9x(x-4)-(x-7)2(do kwadratru)=2(2x-5)(2x+5)
c)1/4– 4x(do kwadratu) = (½ – 2x )( 1/2 +2x)
d)(x-3)(x+3)+10=(x-2)do kwadratu+x
e)(2x+3)do kwadratu+1=4(x-2)(x+2)-5x-8

Bardzo bym prosiła na dzisiaj bo to wazne !!! prosze was... ; ))


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