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Problemi Simili mit-Tiftix tal-Web

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2-18x^{2}-\left(-3x+1\right)^{2}
Uża l-propjetà distributtiva biex timmultiplika 1-3x b'2+6x u kkombina termini simili.
2-18x^{2}-\left(9x^{2}-6x+1\right)
Uża teorema binomjali \left(a+b\right)^{2}=a^{2}+2ab+b^{2} biex tespandi \left(-3x+1\right)^{2}.
2-18x^{2}-9x^{2}+6x-1
Biex issib l-oppost ta' 9x^{2}-6x+1, sib l-oppost ta' kull terminu.
2-27x^{2}+6x-1
Ikkombina -18x^{2} u -9x^{2} biex tikseb -27x^{2}.
1-27x^{2}+6x
Naqqas 1 minn 2 biex tikseb 1.
2-18x^{2}-\left(-3x+1\right)^{2}
Uża l-propjetà distributtiva biex timmultiplika 1-3x b'2+6x u kkombina termini simili.
2-18x^{2}-\left(9x^{2}-6x+1\right)
Uża teorema binomjali \left(a+b\right)^{2}=a^{2}+2ab+b^{2} biex tespandi \left(-3x+1\right)^{2}.
2-18x^{2}-9x^{2}+6x-1
Biex issib l-oppost ta' 9x^{2}-6x+1, sib l-oppost ta' kull terminu.
2-27x^{2}+6x-1
Ikkombina -18x^{2} u -9x^{2} biex tikseb -27x^{2}.
1-27x^{2}+6x
Naqqas 1 minn 2 biex tikseb 1.