EM-1873

Quadratics by completing the square

E Math · Secondary 4 · Hard · Quadratics by completing the square

1. $x \approx 7.36$ or $x \approx -1.36$
2. $x \approx 6.58$ or $x \approx -0.58$
3. $x \approx 4.36$ or $x \approx 1.64$
4. $x \approx 3.46$ or $x \approx -3.46$

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