Datrys ar gyfer y
y=\left(x-8\right)\left(x-2\right)
Datrys ar gyfer x (complex solution)
x=-\sqrt{y+9}+5
x=\sqrt{y+9}+5
Datrys ar gyfer x
x=-\sqrt{y+9}+5
x=\sqrt{y+9}+5\text{, }y\geq -9
Graff
Rhannu
Copïo i clipfwrdd
y=x^{2}-10x+25-9
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-5\right)^{2}.
y=x^{2}-10x+16
Tynnu 9 o 25 i gael 16.
Enghreifftiau
Hafaliad cwadratig
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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]
Hafaliad ar y pryd
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integreiddiad
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}