Datrys ar gyfer y
y=\left(x+2\right)^{2}
Datrys ar gyfer x (complex solution)
x=-\left(\sqrt{y}+2\right)
x=\sqrt{y}-2
Datrys ar gyfer x
x=-\left(\sqrt{y}+2\right)
x=\sqrt{y}-2\text{, }y\geq 0
Graff
Rhannu
Copïo i clipfwrdd
y=x^{2}+4x+4
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x+2\right)^{2}.
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