September 2018 1 28 Report

Potrzebuję pomocy z wyrażeniami algebraicznymi ^^

1.Doprowadz do najprostszej postaci:

a)(2+a)^2+(2-a)^2- 2 ^2 - a=
b)(2x+4)^2 - 4x^2 - 16=
c)9x^2-25+(3x-5 )((3x+5)-2x=
d)(7-y)^2+(y+7)^2+ 1=

2.Doprowadz do najprostszej postaci:

a)5(2x-4)^2-x^2-9+(x-3)^2=

b)(2a-4b)^2-2a^2-4b^2+3(2a-b)(2a+b)+5=

c)(8x+3)(8x-3)+(6x+2)^2-4(2x+7)=

d)2x(x^2-2x+5)-4x^2(x^2-2x+5)+10x^3=

To jest z "Matematyka 2001 Zeszyt ćwieczeń cz.1" do klasy 2


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