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Problemi Simili mit-Tiftix tal-Web

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y^{2}-6y+9-\left(y+2\right)^{2}
Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(y-3\right)^{2}.
y^{2}-6y+9-\left(y^{2}+4y+4\right)
Uża teorema binomjali \left(a+b\right)^{2}=a^{2}+2ab+b^{2} biex tespandi \left(y+2\right)^{2}.
y^{2}-6y+9-y^{2}-4y-4
Biex issib l-oppost ta' y^{2}+4y+4, sib l-oppost ta' kull terminu.
-6y+9-4y-4
Ikkombina y^{2} u -y^{2} biex tikseb 0.
-10y+9-4
Ikkombina -6y u -4y biex tikseb -10y.
-10y+5
Naqqas 4 minn 9 biex tikseb 5.
y^{2}-6y+9-\left(y+2\right)^{2}
Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(y-3\right)^{2}.
y^{2}-6y+9-\left(y^{2}+4y+4\right)
Uża teorema binomjali \left(a+b\right)^{2}=a^{2}+2ab+b^{2} biex tespandi \left(y+2\right)^{2}.
y^{2}-6y+9-y^{2}-4y-4
Biex issib l-oppost ta' y^{2}+4y+4, sib l-oppost ta' kull terminu.
-6y+9-4y-4
Ikkombina y^{2} u -y^{2} biex tikseb 0.
-10y+9-4
Ikkombina -6y u -4y biex tikseb -10y.
-10y+5
Naqqas 4 minn 9 biex tikseb 5.