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3.1 Solve quadratic equation by factorising
08:06
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3.2 Solve quadratic equation by completing a square
13:07
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3.3 Solve quadratic equation by using formula
03:24
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3.4 Sketch a quadratic function
08:04
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3.5 Solve linear, quadratic inequality
11:21
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3.6 Use discriminant to determine the number of real roots
06:17
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3.7 Solve simultaneous equations (linear + quadratic)
05:41