Datrys ar gyfer y
y=5\left(x-2\right)^{2}+7
Datrys ar gyfer x (complex solution)
x=-\frac{\sqrt{5y-35}}{5}+2
x=\frac{\sqrt{5y-35}}{5}+2
Datrys ar gyfer x
x=-\frac{\sqrt{5y-35}}{5}+2
x=\frac{\sqrt{5y-35}}{5}+2\text{, }y\geq 7
Graff
Rhannu
Copïo i clipfwrdd
y=5\left(x^{2}-4x+4\right)+7
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-2\right)^{2}.
y=5x^{2}-20x+20+7
Defnyddio’r briodwedd ddosbarthu i luosi 5 â x^{2}-4x+4.
y=5x^{2}-20x+27
Adio 20 a 7 i gael 27.
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