October 2018 1 21 Report

Wykonaj odejmowanie sum algebraicznych :

a) (6x+1)-(4x-2)=

b) 23a-(12b-81a)-15b=

c) (11x-2y)-(3x-5y)=

d) (3x-2y+4z)-(x-4y-z)=

e) 21b²-(75b+12b²)-(24b-42b²)=f) -16,8+(8,7a-2,2)-(-5,4a-8,1)-13,2a= Wykonaj wskazane działania : a) 2x²-[6x²-(3x+x²)-(2x²-3x]=b) 2,6x-[1,8y-(2,2x-y)+1,4y]-(1,6x-0,2y)=

c) 3x²-[(2x-x²)+(2x²-3x)]-(5x²+3)=

d) 2x²-[(x²-3x)-(8x²+8)]-(3x-14x²)=

e) (4x²-2x)-[(2x²+5x-5)-(x²+5x-4x)]=

f)3x²-[-5x+(4x²-7x)-(2x²-4x)]=

Dane są wyrażenia :

W(x)=2x(do potegi 3 ) -3x²+5x-1

Q(x)=6x-1+3x²

P(x)=2x²-3x+2

Uporządkuj : a) W(x)-[P(x)-Q(x)]b) W(x)-[-P(x)+Q(x)]c) W(x)-[Q(x)+P(X)] Prosze o pomoc daje 29 punktów :) Pozdrawiam
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