September 2018 1 14 Report

:Przeksztalc wyrazenia doprowadzajac do naprostszej postaci skorzystaj ze wzorow skoronego mnozenia

a)-3(2x-5)do kwadratu -(x-4)(x+4)+6(x+2)do kwadratu

b)(a-2b)do kawrdatu-3(3a-b)(3a+b)+10(2a+3b)do kwadratu

c)(2a-3b)(3b+3a)-2(a-3b)do kwadratu-(2a+b)do kwadratu

d)(x-5) do kwadratu-3(x-1)(x+1)-(2xdo kwadratu-1)+x(2x-3)

e)(4+x)(4-x)-2x(1-3x)+2(x+2)do kwadratu-4(x do kwadratu -1)


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