Datrys ar gyfer y
y=\frac{-\left(x+4\right)^{2}+|x-3|-21}{8}
Datrys ar gyfer x
\left\{\begin{matrix}x=\frac{\sqrt{-32y-111}-7}{2}\text{, }&y\leq -\frac{35}{4}\\x=\frac{-\sqrt{-32y-55}-9}{2}\text{, }&y\leq -\frac{55}{32}\\x=\frac{\sqrt{-32y-55}-9}{2}\text{, }&y\geq -\frac{35}{4}\text{ and }y\leq -\frac{55}{32}\end{matrix}\right.
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x^{2}+8x+16+\left(y-1\right)^{2}+49=\sqrt{\left(x-3\right)^{2}}+\left(y-5\right)^{2}+4
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x+4\right)^{2}.
x^{2}+8x+16+y^{2}-2y+1+49=\sqrt{\left(x-3\right)^{2}}+\left(y-5\right)^{2}+4
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(y-1\right)^{2}.
x^{2}+8x+17+y^{2}-2y+49=\sqrt{\left(x-3\right)^{2}}+\left(y-5\right)^{2}+4
Adio 16 a 1 i gael 17.
x^{2}+8x+66+y^{2}-2y=\sqrt{\left(x-3\right)^{2}}+\left(y-5\right)^{2}+4
Adio 17 a 49 i gael 66.
x^{2}+8x+66+y^{2}-2y=\sqrt{x^{2}-6x+9}+\left(y-5\right)^{2}+4
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-3\right)^{2}.
x^{2}+8x+66+y^{2}-2y=\sqrt{x^{2}-6x+9}+y^{2}-10y+25+4
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(y-5\right)^{2}.
x^{2}+8x+66+y^{2}-2y=\sqrt{x^{2}-6x+9}+y^{2}-10y+29
Adio 25 a 4 i gael 29.
x^{2}+8x+66+y^{2}-2y-y^{2}=\sqrt{x^{2}-6x+9}-10y+29
Tynnu y^{2} o'r ddwy ochr.
x^{2}+8x+66-2y=\sqrt{x^{2}-6x+9}-10y+29
Cyfuno y^{2} a -y^{2} i gael 0.
x^{2}+8x+66-2y+10y=\sqrt{x^{2}-6x+9}+29
Ychwanegu 10y at y ddwy ochr.
x^{2}+8x+66+8y=\sqrt{x^{2}-6x+9}+29
Cyfuno -2y a 10y i gael 8y.
8x+66+8y=\sqrt{x^{2}-6x+9}+29-x^{2}
Tynnu x^{2} o'r ddwy ochr.
66+8y=\sqrt{x^{2}-6x+9}+29-x^{2}-8x
Tynnu 8x o'r ddwy ochr.
8y=\sqrt{x^{2}-6x+9}+29-x^{2}-8x-66
Tynnu 66 o'r ddwy ochr.
8y=\sqrt{x^{2}-6x+9}-37-x^{2}-8x
Tynnu 66 o 29 i gael -37.
8y=-x^{2}+\sqrt{x^{2}-6x+9}-8x-37
Mae'r hafaliad yn y ffurf safonol.
\frac{8y}{8}=\frac{-x^{2}+|x-3|-8x-37}{8}
Rhannu’r ddwy ochr â 8.
y=\frac{-x^{2}+|x-3|-8x-37}{8}
Mae rhannu â 8 yn dad-wneud lluosi â 8.
y=-\frac{x^{2}}{8}+\frac{|x-3|}{8}-x-\frac{37}{8}
Rhannwch |x-3|-37-x^{2}-8x â 8.
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