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Solvi għal M
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Solvi għal a (complex solution)
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Solvi għal a
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M=\left(-b\right)^{2}+\left(-b\right)a+\frac{1}{4}a^{2}-\left(b-b\left(a-3\right)\right)-\frac{ab^{3}-0.75a^{3}b}{ab}
Uża teorema binomjali \left(p+q\right)^{2}=p^{2}+2pq+q^{2} biex tespandi \left(-b+\frac{1}{2}a\right)^{2}.
M=b^{2}+\left(-b\right)a+\frac{1}{4}a^{2}-\left(b-b\left(a-3\right)\right)-\frac{ab^{3}-0.75a^{3}b}{ab}
Ikkalkula -b bil-power ta' 2 u tikseb b^{2}.
M=b^{2}+\left(-b\right)a+\frac{1}{4}a^{2}-\left(b-\left(ba-3b\right)\right)-\frac{ab^{3}-0.75a^{3}b}{ab}
Uża l-propjetà distributtiva biex timmultiplika b b'a-3.
M=b^{2}+\left(-b\right)a+\frac{1}{4}a^{2}-\left(b-ba+3b\right)-\frac{ab^{3}-0.75a^{3}b}{ab}
Biex issib l-oppost ta' ba-3b, sib l-oppost ta' kull terminu.
M=b^{2}+\left(-b\right)a+\frac{1}{4}a^{2}-\left(4b-ba\right)-\frac{ab^{3}-0.75a^{3}b}{ab}
Ikkombina b u 3b biex tikseb 4b.
M=b^{2}+\left(-b\right)a+\frac{1}{4}a^{2}-4b+ba-\frac{ab^{3}-0.75a^{3}b}{ab}
Biex issib l-oppost ta' 4b-ba, sib l-oppost ta' kull terminu.
M=b^{2}+\left(-b\right)a+\frac{1}{4}a^{2}-4b+ba-\frac{0.25ab\left(-3a^{2}+4b^{2}\right)}{ab}
Iffattura l-espressjonijiet li mhumiex diġà fatturati f'\frac{ab^{3}-0.75a^{3}b}{ab}.
M=b^{2}+\left(-b\right)a+\frac{1}{4}a^{2}-4b+ba-0.25\left(-3a^{2}+4b^{2}\right)
Annulla ab fin-numeratur u d-denominatur.
M=b^{2}+\left(-b\right)a+\frac{1}{4}a^{2}-4b+ba-\left(-0.75a^{2}+b^{2}\right)
Espandi l-espressjoni.
M=b^{2}+\left(-b\right)a+\frac{1}{4}a^{2}-4b+ba+0.75a^{2}-b^{2}
Biex issib l-oppost ta' -0.75a^{2}+b^{2}, sib l-oppost ta' kull terminu.
M=b^{2}+\left(-b\right)a+a^{2}-4b+ba-b^{2}
Ikkombina \frac{1}{4}a^{2} u 0.75a^{2} biex tikseb a^{2}.
M=\left(-b\right)a+a^{2}-4b+ba
Ikkombina b^{2} u -b^{2} biex tikseb 0.
M=a^{2}-4b
Ikkombina -ba u ba biex tikseb 0.