Datrys ar gyfer y
y=4x\left(x-2\right)
Datrys ar gyfer x (complex solution)
x=-\frac{\sqrt{y+4}}{2}+1
x=\frac{\sqrt{y+4}}{2}+1
Datrys ar gyfer x
x=-\frac{\sqrt{y+4}}{2}+1
x=\frac{\sqrt{y+4}}{2}+1\text{, }y\geq -4
Graff
Rhannu
Copïo i clipfwrdd
y=4\left(x^{2}-2x+1\right)-4
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-1\right)^{2}.
y=4x^{2}-8x+4-4
Defnyddio’r briodwedd ddosbarthu i luosi 4 â x^{2}-2x+1.
y=4x^{2}-8x
Tynnu 4 o 4 i gael 0.
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