August 2018 3 36 Report
1.Doprowadź do najprostszej postaci .

a) (2+a)² + (2-a)²-2²-a² =

b) (2x+4)² - 4x² - 16 =

c) 9x² - 25 + (3x-5)(3x+5) - 2x=

d) (7 - y)²+(y+7)²+1=


2.Doprowadź do najprostszej postaci.

a)5(2x-4)² - x² - 9 + (x-3)²

b)(2a-4b)² - 2a² - 4b² + 3(2a-b)(2a+b)+5=

c)(8x+3)(8x-3) + (6x+2)² - 4(2x+7)=

d)2x(x²-2x+5) - 4x²(x²-2x+5)+10x³=



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