matematyka z plusem zadane 13 strona 83
ZAPISZ W JAK NAJPROSTRZEJ POSTACI:
d)-(3c-2)(c-1)-c(c-2)
-3c² + 3c +2c -2 - c² +2c = -4c² -7c -2
-(3c2-3c-2c+2)-c2+2c=-3c2+5c-2-c2+2c=2c2+7c-2
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-3c² + 3c +2c -2 - c² +2c = -4c² -7c -2
-(3c2-3c-2c+2)-c2+2c=-3c2+5c-2-c2+2c=2c2+7c-2