Datrys ar gyfer m
m=\frac{2x^{2}-x+4}{x\left(x+3\right)}
x\neq -3\text{ and }x\neq 0
Datrys ar gyfer x (complex solution)
\left\{\begin{matrix}x=\frac{\sqrt{\left(m-1\right)\left(9m+31\right)}+3m+1}{2\left(2-m\right)}\text{; }x=\frac{-\sqrt{\left(m-1\right)\left(9m+31\right)}+3m+1}{2\left(2-m\right)}\text{, }&m\neq 2\\x=\frac{4}{7}\text{, }&m=2\end{matrix}\right.
Datrys ar gyfer x
\left\{\begin{matrix}x=\frac{\sqrt{\left(m-1\right)\left(9m+31\right)}+3m+1}{2\left(2-m\right)}\text{; }x=\frac{-\sqrt{\left(m-1\right)\left(9m+31\right)}+3m+1}{2\left(2-m\right)}\text{, }&\left(m\neq 2\text{ and }m\geq 1\right)\text{ or }m\leq -\frac{31}{9}\\x=\frac{4}{7}\text{, }&m=2\end{matrix}\right.
Graff
Rhannu
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2x^{2}-mx^{2}-\left(3m+1\right)x+4=0
Defnyddio’r briodwedd ddosbarthu i luosi 2-m â x^{2}.
2x^{2}-mx^{2}-\left(3mx+x\right)+4=0
Defnyddio’r briodwedd ddosbarthu i luosi 3m+1 â x.
2x^{2}-mx^{2}-3mx-x+4=0
I ddod o hyd i wrthwyneb 3mx+x, dewch o hyd i wrthwyneb pob term.
-mx^{2}-3mx-x+4=-2x^{2}
Tynnu 2x^{2} o'r ddwy ochr. Mae tynnu unrhyw beth o sero’n rhoi negydd y swm.
-mx^{2}-3mx+4=-2x^{2}+x
Ychwanegu x at y ddwy ochr.
-mx^{2}-3mx=-2x^{2}+x-4
Tynnu 4 o'r ddwy ochr.
\left(-x^{2}-3x\right)m=-2x^{2}+x-4
Cyfuno pob term sy'n cynnwys m.
\frac{\left(-x^{2}-3x\right)m}{-x^{2}-3x}=\frac{-2x^{2}+x-4}{-x^{2}-3x}
Rhannu’r ddwy ochr â -x^{2}-3x.
m=\frac{-2x^{2}+x-4}{-x^{2}-3x}
Mae rhannu â -x^{2}-3x yn dad-wneud lluosi â -x^{2}-3x.
m=\frac{-2x^{2}+x-4}{-x\left(x+3\right)}
Rhannwch -2x^{2}+x-4 â -x^{2}-3x.
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