Exercise 3. Solve the following equations 1. $x(x + 1) = 0$ 2. $x^2 - 5x = 0$ 3. $(|x-3|-6)(|x - 4| - 11) = 0$ 4. $x^2 + 4x +3=0$
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$x(x+1) = 0$ This equation is satisfied if $x=0$ or $x+1=0$. If $x+1=0$, then $x=-1$. Therefore, the solutions are $x=0$ and $x=-1$. Show more…
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