EM-519

Quadratic formula

E Math · Secondary 3 · Hard · Quadratic formula

1. $x≈3.19$ or $x≈-0.52$
2. $x≈3.19$ or $x≈0.52$
3. $x≈-3.19$ or $x≈0.52$
4. $x≈-3.19$ or $x≈-0.52$

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