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Problemi Simili mit-Tiftix tal-Web

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\left(2-x\right)\left(\left(1-x\right)^{2}-1\right)
Immultiplika 1-x u 1-x biex tikseb \left(1-x\right)^{2}.
\left(2-x\right)\left(1-2x+x^{2}-1\right)
Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(1-x\right)^{2}.
\left(2-x\right)\left(-2x+x^{2}\right)
Naqqas 1 minn 1 biex tikseb 0.
-4x+2x^{2}+2x^{2}-x^{3}
Applika l-propjetà distributtiva billi timmultiplika kull terminu ta' 2-x b'kull terminu ta' -2x+x^{2}.
-4x+4x^{2}-x^{3}
Ikkombina 2x^{2} u 2x^{2} biex tikseb 4x^{2}.
\left(2-x\right)\left(\left(1-x\right)^{2}-1\right)
Immultiplika 1-x u 1-x biex tikseb \left(1-x\right)^{2}.
\left(2-x\right)\left(1-2x+x^{2}-1\right)
Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(1-x\right)^{2}.
\left(2-x\right)\left(-2x+x^{2}\right)
Naqqas 1 minn 1 biex tikseb 0.
-4x+2x^{2}+2x^{2}-x^{3}
Applika l-propjetà distributtiva billi timmultiplika kull terminu ta' 2-x b'kull terminu ta' -2x+x^{2}.
-4x+4x^{2}-x^{3}
Ikkombina 2x^{2} u 2x^{2} biex tikseb 4x^{2}.