September 2018 1 25 Report

Przedstaw każde z poniższych wyrażeń w postaci sumy algebraicznej.

d) (x+2)³ - (x-2)(x²+2x+4)

e) (2x - 3)² - 4x(2x-6)+(x-5)²

f) (2x-5y)² - 4(2x+5y)²+(5y-3)(5y+3)-(2x-5)(2x+5)

g) (-2a-3b)² - (-b+2a)(-b-2a)

h) (2√2+4x)(4x-2√2)-2(2x-1/4)²


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