Cari nilai y
y=9x^{2}-12x+16
Cari nilai x (complex solution)
x=\frac{\sqrt{y-12}+2}{3}
x=\frac{-\sqrt{y-12}+2}{3}
Cari nilai x
x=\frac{\sqrt{y-12}+2}{3}
x=\frac{-\sqrt{y-12}+2}{3}\text{, }y\geq 12
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y=9x^{2}-12x+16
Sederhanakan 20 dan 20.
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