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Problemi Simili mit-Tiftix tal-Web

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8x^{2}+32x-16-7\left(-x^{2}+2x+7\right)
Uża l-propjetà distributtiva biex timmultiplika 8 b'x^{2}+4x-2.
8x^{2}+32x-16-7\left(-x^{2}\right)-14x-49
Uża l-propjetà distributtiva biex timmultiplika -7 b'-x^{2}+2x+7.
8x^{2}+32x-16+7x^{2}-14x-49
Immultiplika -7 u -1 biex tikseb 7.
15x^{2}+32x-16-14x-49
Ikkombina 8x^{2} u 7x^{2} biex tikseb 15x^{2}.
15x^{2}+18x-16-49
Ikkombina 32x u -14x biex tikseb 18x.
15x^{2}+18x-65
Naqqas 49 minn -16 biex tikseb -65.
8x^{2}+32x-16-7\left(-x^{2}+2x+7\right)
Uża l-propjetà distributtiva biex timmultiplika 8 b'x^{2}+4x-2.
8x^{2}+32x-16-7\left(-x^{2}\right)-14x-49
Uża l-propjetà distributtiva biex timmultiplika -7 b'-x^{2}+2x+7.
8x^{2}+32x-16+7x^{2}-14x-49
Immultiplika -7 u -1 biex tikseb 7.
15x^{2}+32x-16-14x-49
Ikkombina 8x^{2} u 7x^{2} biex tikseb 15x^{2}.
15x^{2}+18x-16-49
Ikkombina 32x u -14x biex tikseb 18x.
15x^{2}+18x-65
Naqqas 49 minn -16 biex tikseb -65.