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Is solving a logarithmic equation of the form log_b (x+a)+log_b (x+c)=d why is it essential to check the solutions to the resulting quadratic equation for potential extraneous solutions to the original
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Is solving a logarithmic equation of the form log_b (x+a)+log_b (x+c)=d why is it essential to check the solutions to the resulting quadratic equation for potential extraneous solutions to the original logarithmic equation?

User DaveCleland
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Knowing that a quadratic equation has two possible solutions, we need to be careful when we solve exponential equations in checking for any quadratic one that appears. Due to 2 possible solutions,

Hope I helped :)
User Sdvnksv
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