Datrys ar gyfer c
c=-\frac{x\left(x+10\right)}{5}
Datrys ar gyfer x (complex solution)
x=\sqrt{25-5c}-5
x=-\sqrt{25-5c}-5
Datrys ar gyfer x
x=\sqrt{25-5c}-5
x=-\sqrt{25-5c}-5\text{, }c\leq 5
Graff
Rhannu
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2x+c=-\frac{1}{5}x^{2}
Tynnu \frac{1}{5}x^{2} o'r ddwy ochr. Mae tynnu unrhyw beth o sero’n rhoi negydd y swm.
c=-\frac{1}{5}x^{2}-2x
Tynnu 2x o'r ddwy ochr.
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