x² − 4,5x + 4,5 = 0

Question

\(D=(-4.5)^2-4\cdot1\cdot4.5=20.25-18=2.25\), \(\sqrt D=1.5\).

\(x=\frac{4.5\pm1.5}{2}\).

Ответ: \(x_1=3\), \(x_2=1.5\).

Accepted Answer

\(D=(-4.5)^2-4\cdot1\cdot4.5=20.25-18=2.25\), \(\sqrt D=1.5\).

\(x=\frac{4.5\pm1.5}{2}\).

Ответ: \(x_1=3\), \(x_2=1.5\).