Datrys ar gyfer y
y=-2\left(x+3\right)^{2}+4
Datrys ar gyfer x (complex solution)
x=-\frac{\sqrt{8-2y}}{2}-3
x=\frac{\sqrt{8-2y}}{2}-3
Datrys ar gyfer x
x=-\frac{\sqrt{8-2y}}{2}-3
x=\frac{\sqrt{8-2y}}{2}-3\text{, }y\leq 4
Graff
Rhannu
Copïo i clipfwrdd
y=-2\left(x^{2}+6x+9\right)+4
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x+3\right)^{2}.
y=-2x^{2}-12x-18+4
Defnyddio’r briodwedd ddosbarthu i luosi -2 â x^{2}+6x+9.
y=-2x^{2}-12x-14
Adio -18 a 4 i gael -14.
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