Datrys ar gyfer y
y=2\left(x^{2}+4x+7\right)
Datrys ar gyfer x (complex solution)
x=-\frac{\sqrt{2y-12}}{2}-2
x=\frac{\sqrt{2y-12}}{2}-2
Datrys ar gyfer x
x=-\frac{\sqrt{2y-12}}{2}-2
x=\frac{\sqrt{2y-12}}{2}-2\text{, }y\geq 6
Graff
Rhannu
Copïo i clipfwrdd
y=2\left(x^{2}+4x+4\right)+6
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x+2\right)^{2}.
y=2x^{2}+8x+8+6
Defnyddio’r briodwedd ddosbarthu i luosi 2 â x^{2}+4x+4.
y=2x^{2}+8x+14
Adio 8 a 6 i gael 14.
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