Datrys ar gyfer y
y=3\left(x-1\right)^{2}-5
Datrys ar gyfer x (complex solution)
x=-\frac{\sqrt{3y+15}}{3}+1
x=\frac{\sqrt{3y+15}}{3}+1
Datrys ar gyfer x
x=-\frac{\sqrt{3y+15}}{3}+1
x=\frac{\sqrt{3y+15}}{3}+1\text{, }y\geq -5
Graff
Rhannu
Copïo i clipfwrdd
y=3\left(x^{2}-2x+1\right)-5
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-1\right)^{2}.
y=3x^{2}-6x+3-5
Defnyddio’r briodwedd ddosbarthu i luosi 3 â x^{2}-2x+1.
y=3x^{2}-6x-2
Tynnu 5 o 3 i gael -2.
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\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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