October 2018 1 13 Report

Uprość wyrażenie.

a) (5y+1)*(1-5y)-(1+5y)do kwadratu

b)(2x-y)*(2x+y)+(3x+2y)*(3x-2y)

c)(y+3x)*(3x-y)-(x-5y)*(x+5y)

Wyniki jakie mają wyjść

a)-50y do kwadratu-10y

b)13x do kwadratu-5y do kwadratu

c)8x do kwadratu+24y do kwadratru


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