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 ⇒ a 2 b 2 b 2 c 2 c 2 a 2 = ( ab bc ca ) 2 2 ( a 2 bc ab 2 c abc 2 ) ⇒ a 2 b 2 b 2 c 2 c 2 a 2 = ( ab bc ca ) 2 2abc ( a b c ) , Now we substitute values from equation A , 1 and 3 , we getAx 2 bx c = 0 where x is an unknown, a is referred to as the quadratic coefficient, b the linear coefficient, and c the constant The numerals a, b, and c are coefficients of the equation, and they represent known numbers For example, a cannot be 0, or the equation would be linear rather than quadratic A quadratic equation can be solved16 ejercicios resueltos productos notables nivel preuniversitarioTeoría https//wwwyoutubecom/watch?v=Qjes17MQXac Our History Wkrn News 2 A b c 2 3 a2 b2 c2