January 2019 0 9 Report
Uprość wyrażenia:
a) (x +2) ( 4-3x)
b) 4x² - 3x (7 - 2x) + 5x
c) (2a - b)² + (a - 2b) (a + 2b)
d) (1 - 3x)² + (3x - 5)²
e) (m+1)² + (m - 2)²
f) (x-2) (x+2) - (2x + 4)²
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