Enrhifo
\left(y-5\right)^{2}+x^{2}+6
Ehangu
x^{2}+y^{2}-10y+31
Rhannu
Copïo i clipfwrdd
x^{2}+y^{2}-10y+25+6
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(y-5\right)^{2}.
x^{2}+y^{2}-10y+31
Adio 25 a 6 i gael 31.
x^{2}+y^{2}-10y+25+6
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(y-5\right)^{2}.
x^{2}+y^{2}-10y+31
Adio 25 a 6 i gael 31.
Enghreifftiau
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y = 3x + 4
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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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