Check whether the following are quadratic equations: x(x + 1) + 8 = (x + 2) (x – 2) (ans in yes or no)
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-12...................
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No it is not quadratic as
quadratic equations have formula ax^2+ bx + c where a is not equal to 0
quadratic equations have formula ax^2+ bx + c where a is not equal to 0
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