AM-1658

Linear–quadratic simultaneous equations

A Math · Secondary 4 · Medium · Linear–quadratic simultaneous equations

1. $x = \dfrac{9 \pm \sqrt{53}}{2}$
2. $x = \dfrac{9 \pm \sqrt{81}}{2}$
3. $x = \dfrac{5 \pm \sqrt{53}}{2}$
4. $x = \dfrac{9 \pm \sqrt{25}}{2}$

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