November 2018 1 45 Report

1 zad a) 5,2x^2-(2xy+1,2x^2)-(-6xy+5x^2)=

b) 3(15m-4n+2)-(23m+6n-1,4)=

c) p*(2p+8)-p*(3+4p)-12p^2=

d) 10x(2y-6)+(-3)*(x^2-yx)=

e)1/3ab-2,4ac=(-1/3zb+1,6ac)=

8(x-4)-2(x+6)-3(5+x)=

2zad doprować wyrażenia do najprostrzej postaci

a) (4x-3)(4x+3)-(3+2x)^2

b) 2(a-1)^2-(4a^2+2b^2)+(-6ab)=

na już prosze =)


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