Datrys ar gyfer D
D=\left(x-2\right)^{2}
Datrys ar gyfer x (complex solution)
x=-\sqrt{D}+2
x=\sqrt{D}+2
Datrys ar gyfer x
x=-\sqrt{D}+2
x=\sqrt{D}+2\text{, }D\geq 0
Graff
Rhannu
Copïo i clipfwrdd
D=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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