Datrys 2x^2-16=k

$$2 x ^ { 2 } - 16 = k$$

Datrys ar gyfer k

$$k=2\left(x^{2}-8\right)$$

Camau Ateb

Cyfnewidiwch yr ochrau fel bod yr holl dermau newidiol ar yr ochr chwith.

$$k=2x^{2}-16$$

Datrys ar gyfer x (complex solution)

$$x=-\frac{\sqrt{2\left(k+16\right)}}{2}$$

$$x=\frac{\sqrt{2\left(k+16\right)}}{2}$$

Datrys ar gyfer x

$$x=\frac{\sqrt{2\left(k+16\right)}}{2}$$

$$x=-\frac{\sqrt{2\left(k+16\right)}}{2}\text{, }k\geq -16$$