September 2018 1 129 Report

Przedstaw każde z poniższych wyrażeń w postaci sumy algebraicznej:

(2x - 3)² - 4x(2x - 6) + (x - 5)² =

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

(-2a - 3b)² - (-b + 2a)(-b - 2a) =

(2√2 + 4x)(4x - 2√2) - 2(2x - ¹₄)² =


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