Whakaoti mō y
y=-5\left(x+9\right)^{2}
Whakaoti mō x (complex solution)
x=-\frac{i\sqrt{5y}}{5}-9
x=\frac{i\sqrt{5y}}{5}-9
Whakaoti mō x
x=-\frac{\sqrt{-5y}}{5}-9
x=\frac{\sqrt{-5y}}{5}-9\text{, }y\leq 0
Graph
Tohaina
Kua tāruatia ki te papatopenga
y=-5\left(x^{2}+18x+81\right)
Whakamahia te ture huarua \left(a+b\right)^{2}=a^{2}+2ab+b^{2} hei whakaroha \left(x+9\right)^{2}.
y=-5x^{2}-90x-405
Whakamahia te āhuatanga tohatoha hei whakarea te -5 ki te x^{2}+18x+81.
Ngā Tauira
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\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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