Løs x^2-5x+3y=20 | Microsoft Problemløser til matematik

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-5x+3y=20-x^{2}

Subtraher x^{2} fra begge sider.

3y=20-x^{2}+5x

Tilføj 5x på begge sider.

3y=20+5x-x^{2}

Ligningen er nu i standardform.

\frac{3y}{3}=\frac{20+5x-x^{2}}{3}

Divider begge sider med 3.

y=\frac{20+5x-x^{2}}{3}

Division med 3 annullerer multiplikationen med 3.

Eksempler

Kvadratisk ligning

Lineær ligning

Samtidig ligning

Differentiering