Lösung 2.3:3e

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In this case, we see that the left-hand side contains the factor \displaystyle x+3, which we can take out to obtain

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This rewriting of the equation results in the new equation

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which has the solutions \displaystyle x=-3 and \displaystyle x=8\,.

We check the solution \displaystyle x=8 by substituting it into the equation,

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