EM-517

Quadratic formula

E Math · Secondary 3 · Hard · Quadratic formula

1. $x = 2.12$ or $x = -0.79$
2. $x = 2.79$ or $x = -0.12$
3. $x = 1.12$ or $x = -1.79$
4. $x = 2.12$ or $x = 0.79$

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