Datrys ar gyfer y
y=\frac{\left(x+5\right)^{2}-5}{5}
Datrys ar gyfer x (complex solution)
x=-\sqrt{5\left(y+1\right)}-5
x=\sqrt{5\left(y+1\right)}-5
Datrys ar gyfer x
x=-\sqrt{5\left(y+1\right)}-5
x=\sqrt{5\left(y+1\right)}-5\text{, }y\geq -1
Graff
Rhannu
Copïo i clipfwrdd
y=\frac{1}{5}\left(x^{2}+10x+25\right)-1
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x+5\right)^{2}.
y=\frac{1}{5}x^{2}+2x+5-1
Defnyddio’r briodwedd ddosbarthu i luosi \frac{1}{5} â x^{2}+10x+25.
y=\frac{1}{5}x^{2}+2x+4
Tynnu 1 o 5 i gael 4.
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