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Problemi Simili mit-Tiftix tal-Web

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5\left(x^{2}-4x+4\right)-8
Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(x-2\right)^{2}.
5x^{2}-20x+20-8
Uża l-propjetà distributtiva biex timmultiplika 5 b'x^{2}-4x+4.
5x^{2}-20x+12
Naqqas 8 minn 20 biex tikseb 12.
5\left(x^{2}-4x+4\right)-8
Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(x-2\right)^{2}.
5x^{2}-20x+20-8
Uża l-propjetà distributtiva biex timmultiplika 5 b'x^{2}-4x+4.
5x^{2}-20x+12
Naqqas 8 minn 20 biex tikseb 12.