Tips

Tips

Secondary 3

Tip:

Note that the coefficient of \({{x}^{2}}\) in the above form is \(1\).

So what happen if the coefficient of \({{x}^{2}}\) is not \(1\)?

Then divide both sides of the equations by the coefficient of \({{x}^{2}}\) such that this will become \(1\).

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Answer:Example 1: \(x=-6\pm\sqrt{35}\) Example 2: \(x=\frac{-7\pm\sqrt{57}}{4}\)

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