EM-1923

Quadratic formula

E Math · Secondary 4 · Hard · Quadratic formula

1. $x = 3.00$ or $x = -1.60$
2. $x = 3.00$ or $x = 1.60$
3. $x = -3.00$ or $x = 1.60$
4. $x = 0.30$ or $x = -16.00$

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