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Chemistry + MathsWednesday, January 6, 2010. Quadratic equations of one variable (unknown) appears in the form ax 2 bx c=0 where a,b,c are constants and a≠0. Examples of quadratic equation:. Example 1: 5x 2 12x 7=0. This is a quadratic equation because a,b,c are constants and a≠0. Example 2: 6x 2 4x=9. This is a quadratic equation because by using the Addition Property of Equality, we can change this into the form of ax 2 bx c=0 by subtracting 2 on each side. Example 3: 5x 2 12x=0. Example 4: 6x 2-9=0. Note: Quadratic eq...
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