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Problemi Simili mit-Tiftix tal-Web

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x+\Delta x-2x-2\Delta x+2
Uża l-propjetà distributtiva biex timmultiplika -2 b'x+\Delta x.
-x+\Delta x-2\Delta x+2
Ikkombina x u -2x biex tikseb -x.
-x-\Delta x+2
Ikkombina \Delta x u -2\Delta x biex tikseb -\Delta x.
x+\Delta x-2x-2\Delta x+2
Uża l-propjetà distributtiva biex timmultiplika -2 b'x+\Delta x.
-x+\Delta x-2\Delta x+2
Ikkombina x u -2x biex tikseb -x.
-x-\Delta x+2
Ikkombina \Delta x u -2\Delta x biex tikseb -\Delta x.